Chris Smith chris@thenakedscientists.com no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/ Drawing out the facts, the Naked Science Scrapbook brings a visual dimension to the world's most mysterious science. en Dr Chris Smith 2010-2012 Fri, 17 Aug 2012 16:55:36 +0000 http://www.thenakedscientists.com/HTML/uploads/tx_naksciconfig/temp/NS_scrapbook_144.jpg http://www.thenakedscientists.com/HTML/podcasts/scrapbook/ 144 144 Podcast Drawing out the facts - The Naked Science Scrapbook Drawing out the facts, the Naked Science Scrapbook brings a visual dimension to the world's most mysterious science. Sarah Castor-Perry, The Naked Scientists 05:19 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/20120817/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Biohydrogen03.mp4 Wed, 15 Aug 2012 23:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/609901d0ff.jpg"></td><td> Hydrogen could be a key clean fuel of the future, powering cars, planes and technology. The challenge facing us before we can switch to this energy-dense fuel has been to produce it cleanly and efficiently. Now a team at the University of Birmingham have developed a way of harnessing the power of microbes to make it for us...</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists Hydrogen could be a key clean fuel of the future, powering cars, planes and technology. The challenge facing us before we can switch to this energy-dense fuel has been to produce it cleanly and efficiently. Now a team at the University of Birmingham ... Hydrogen could be a key clean fuel of the future, powering cars, planes and technology. The challenge facing us before we can switch to this energy-dense fuel has been to produce it cleanly and efficiently. Now a team at the University of Birmingham have developed a way of harnessing the power of microbes to make it for us... naked scientists,kitchen science,Hydrogen,clean fuel,biohydrogen,microbes, 05:32 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/20120730-1/ http://www.thenakedscientists.com/guid/4D_Scrapbook.mp4 Sun, 29 Jul 2012 23:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/2ea1e56a9e.jpg"></td><td> Whether you're watching a YouTube video, downloading an email, buying a birthday present or linking up with friends online, you're sending data across the Internet. But how does "the web" actually work, and what lies behind it? Here, in this Naked Science Scrapbook episode supported by 4D Data Centres, all is revealed...</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists Whether you're watching a YouTube video, downloading an email, buying a birthday present or linking up with friends online, you're sending data across the Internet. But how does "the web" actually work, and what lies behind it? Here, in this Naked S... Whether you're watching a YouTube video, downloading an email, buying a birthday present or linking up with friends online, you're sending data across the Internet. But how does "the web" actually work, and what lies behind it? Here, in this Naked Science Scrapbook episode supported by 4D Data Centres, all is revealed... naked scientists,kitchen science,internet, world wide web, how internet works 05:09 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/20120707/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Higgs_Boson.mp4 Fri, 6 Jul 2012 23:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/a137864c23.jpg"></td><td> Scientists at the Large Hadron Collider have found evidence of a new fundamental particle, that could be the much sought-after Higgs boson. In this Naked Science Scrapbook we find out what a Higgs boson actually is, and why finding it could help us understand the structure of the universe a little bit better...</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists Scientists at the Large Hadron Collider have found evidence of a new fundamental particle, that could be the much sought-after Higgs boson. In this Naked Science Scrapbook we find out what a Higgs boson actually is, and why finding it could help us u... Scientists at the Large Hadron Collider have found evidence of a new fundamental particle, that could be the much sought-after Higgs boson. In this Naked Science Scrapbook we find out what a Higgs boson actually is, and why finding it could help us understand the structure of the universe a little bit better... naked scientists,science scrapbook,higgs boson,higgs field,standard model,quark,lepton,mass,lhc,hadron,cern,proton,collider,fundamental particle,GeV,photon,higgs 05:34 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/20120525/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Fungi.mp4 Thu, 24 May 2012 23:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/22a2e9e5b7.jpg"></td><td> Fungi are a biologically important, and often overlooked Kingdom of organisms. In this Naked Science Scrapbook we find out what a fungus actually is, how they live and how they cause and fight disease. Plus we see that many of our favourite meals wouldn't be the same without them.</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists Fungi are a biologically important, and often overlooked Kingdom of organisms. In this Naked Science Scrapbook we find out what a fungus actually is, how they live and how they cause and fight disease. Plus we see that many of our favourite meals wou... Fungi are a biologically important, and often overlooked Kingdom of organisms. In this Naked Science Scrapbook we find out what a fungus actually is, how they live and how they cause and fight disease. Plus we see that many of our favourite meals wouldn't be the same without them. naked scientists,science scrapbook,fungi,fungus,mushroom,toadstool,mould,yeast,bread,alcohol,hyphae,mycelium,aspergillus,penicillium,penicillin,athlete's foot,candida,thrush 06:45 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/20120518/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Alloys.mp4 Fri, 18 May 2012 09:48:24 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/63f1ac48c0.jpg"></td><td> A lot of the metals we use every day, from car wheels to cutlery, are made from alloys. In this Naked Science Scrapbook we find out how alloys are made and how we change their properties to suit our needs. Plus we discover why alloys have a vital role to play when we fly off on holiday...</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists A lot of the metals we use every day, from car wheels to cutlery, are made from alloys. In this Naked Science Scrapbook we find out how alloys are made and how we change their properties to suit our needs. Plus we discover why alloys have a vital rol... A lot of the metals we use every day, from car wheels to cutlery, are made from alloys. In this Naked Science Scrapbook we find out how alloys are made and how we change their properties to suit our needs. Plus we discover why alloys have a vital role to play when we fly off on holiday... naked scientists,naked science scrapbook,science scrapbook,alloy,alloys,metal,cutlery,alloy wheels,steel,solder,bronze,grain boundary,crystal lattice,jet engine,creep deformation,dislocation 06:01 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/20120424/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Jetlag.mp4 Tue, 24 Apr 2012 08:33:11 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/11b80593bc.jpg"></td><td> Why do we feel tired or awake at the wrong times when we go on holiday to a different timezone? In this Naked Science Scrapbook we find out how your body clock works, how it is disrupted by long distance travel and if there's any way around getting jetlag.</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists Why do we feel tired or awake at the wrong times when we go on holiday to a different timezone? In this Naked Science Scrapbook we find out how your body clock works, how it is disrupted by long distance travel and if there's any way around getting j... Why do we feel tired or awake at the wrong times when we go on holiday to a different timezone? In this Naked Science Scrapbook we find out how your body clock works, how it is disrupted by long distance travel and if there's any way around getting jetlag. naked scientists,science scrapbook,body clock,circadian rhythm,circadian,suprachiasmatic nucleus,jetlag,timezone,holiday,melatonin,jet lag 05:03 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/20120308/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Data_Centres.mp4 Thu, 8 Mar 2012 00:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/1afbd0d0e8.jpg"></td><td> When companies can't back up their data themselves, they often turn to data centres. But what do they do? In this Naked Science Scrapbook, supported by 4D Data Centres, we find out how a data centre is designed to minimise environmental impact, and how they can prevent personal information from being stolen...</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists When companies can't back up their data themselves, they often turn to data centres. But what do they do? In this Naked Science Scrapbook, supported by 4D Data Centres, we find out how a data centre is designed to minimise environmental impact, and h... When companies can't back up their data themselves, they often turn to data centres. But what do they do? In this Naked Science Scrapbook, supported by 4D Data Centres, we find out how a data centre is designed to minimise environmental impact, and how they can prevent personal information from being stolen... naked scientists,kitchen science 05:05 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/20120217/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Lasers.mp4 Fri, 17 Feb 2012 01:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/e2ffa6ae49.jpg"></td><td> From DVD players and supermarket scanners to laser pointers and Bond movies, lasers are part of our lives. But just how do they work? In this Naked Science Scrapbook we find out how excitable atoms produce the laser beams and how those beams are used to perform surgery, send information through the internet and even measure the distance to the moon!</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists From DVD players and supermarket scanners to laser pointers and Bond movies, lasers are part of our lives. But just how do they work? In this Naked Science Scrapbook we find out how excitable atoms produce the laser beams and how those beams are used... From DVD players and supermarket scanners to laser pointers and Bond movies, lasers are part of our lives. But just how do they work? In this Naked Science Scrapbook we find out how excitable atoms produce the laser beams and how those beams are used to perform surgery, send information through the internet and even measure the distance to the moon! naked scientists,science scrapbook,lasers,stimulated emission,rubies,co2,light amplification by stimulated emission of radiation,cd player,electron,photon,laser surgery,james bond 05:30 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/20120210/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_TEGs.mp4 Fri, 10 Feb 2012 12:45:09 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/2e04c2a36e.jpg"></td><td> Huge amounts of energy are lost from power stations and cars as heat. But what if we could harness that heat and turn it into useful electricity? That's what thermoelectric generators or TEGs can help us do. In this Naked Science Scrapbook we find out how they exploit a temperature gradient to produce power and how they're already powering space exploration.</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists Huge amounts of energy are lost from power stations and cars as heat. But what if we could harness that heat and turn it into useful electricity? That's what thermoelectric generators or TEGs can help us do. In this Naked Science Scrapbook we find ou... Huge amounts of energy are lost from power stations and cars as heat. But what if we could harness that heat and turn it into useful electricity? That's what thermoelectric generators or TEGs can help us do. In this Naked Science Scrapbook we find out how they exploit a temperature gradient to produce power and how they're already powering space exploration. naked scientists,science scrapbook,scrapbook,thermoelectric generator,generators,power,heat,temperature,thermoelectric effect,semiconductor,electron,space,automotive,cassini 04:36 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/20120203/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Microwaves.mp4 Fri, 3 Feb 2012 11:06:14 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/a015a69dd4.jpg"></td><td> Most of us have a microwave oven in our kitchen. They make heating up leftovers and the dreaded readymeal much faster than a conventional oven. In this Naked Science Scrapbook, we find out how the microwave oven produce the microwaves, and how they actually cook the food, plus how popcorn played a key role in the invention of the microwave oven...</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists Most of us have a microwave oven in our kitchen. They make heating up leftovers and the dreaded readymeal much faster than a conventional oven. In this Naked Science Scrapbook, we find out how the microwave oven produce the microwaves, and how they a... Most of us have a microwave oven in our kitchen. They make heating up leftovers and the dreaded readymeal much faster than a conventional oven. In this Naked Science Scrapbook, we find out how the microwave oven produce the microwaves, and how they actually cook the food, plus how popcorn played a key role in the invention of the microwave oven... naked scientists,science, scrapbook, microwaves,microwave,oven,magnetron,electrons,magnetic field,popcorn,food,heat,cook,electromagnetic 04:47 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.12.15/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Sprouts.mp4 Thu, 15 Dec 2011 01:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/8eda5f718e.jpg"></td><td> Every Christmas, one vegetable divides opinion - Brussels sprouts. Some of us love them, some of us hate them, but eating them can have some embarrassing consequences. In this Naked science Scrapbook, we find out why sprouts cause flatulence and what makes sprout-induced gas such an offensive addition to the Christmas table...</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists Every Christmas, one vegetable divides opinion - Brussels sprouts. Some of us love them, some of us hate them, but eating them can have some embarrassing consequences. In this Naked science Scrapbook, we find out why sprouts cause flatulence and what... Every Christmas, one vegetable divides opinion - Brussels sprouts. Some of us love them, some of us hate them, but eating them can have some embarrassing consequences. In this Naked science Scrapbook, we find out why sprouts cause flatulence and what makes sprout-induced gas such an offensive addition to the Christmas table... naked scientists,science,scrapbook,brussels sprouts,sprouts,fart,gas,flatulence,sulphur compounds,raffinose,beans,inulin,methyl mercaptan,hydrogen sulphide,large intestine,colon,enzymes,christmas 04:56 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.11.24/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Autofocus.mp4 Thu, 24 Nov 2011 10:27:24 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/2a8921175e.jpg"></td><td> Millions of people now own compact digital cameras and camera phones that will automatically focus on parts of a scene, without having to turn a focus wheel. But how does autofocus work? In this Naked Science Scrapbook we find out how battleship technology has found its way into cameras and why some autofocus cameras use ultrasound to figure out what to focus on...</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists Millions of people now own compact digital cameras and camera phones that will automatically focus on parts of a scene, without having to turn a focus wheel. But how does autofocus work? In this Naked Science Scrapbook we find out how battleship tech... Millions of people now own compact digital cameras and camera phones that will automatically focus on parts of a scene, without having to turn a focus wheel. But how does autofocus work? In this Naked Science Scrapbook we find out how battleship technology has found its way into cameras and why some autofocus cameras use ultrasound to figure out what to focus on... naked scientists,science, scrapbook,autofocus,camera,mirror,ultrasound,battleship,SLR,focus 05:27 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.10.27/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_DNA_fingerprinting.mp4 Wed, 26 Oct 2011 23:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/04cd851be2.jpg"></td><td> How do we tell people apart by using their DNA? From murder investigations to paternity testing, DNA fingerprinting is an essential tool in the modern world. But how is it carried out? Find out in the latest Naked Science Scrapbook!</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists How do we tell people apart by using their DNA? From murder investigations to paternity testing, DNA fingerprinting is an essential tool in the modern world. But how is it carried out? Find out in the latest Naked Science Scrapbook!... How do we tell people apart by using their DNA? From murder investigations to paternity testing, DNA fingerprinting is an essential tool in the modern world. But how is it carried out? Find out in the latest Naked Science Scrapbook! naked scientists,science, scrapbook,dna fingerprinting,gel,alec jeffreys,vntr,str,dna,genetic fingerprint,variable number tandem repeats,short tandem repeats 04:01 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.10.07-1/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Fuel_Cells.mp4 Fri, 7 Oct 2011 14:17:06 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/c78d6c45da.jpg"></td><td> Fuel cells may be a major energy source of the future, but how do they work? In the latest Naked Science Scrapbook, we find out how to generate electricity from hydrogen, how fuel cells helped man to get to the moon, and how you could use one to heat your water at home...</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists Fuel cells may be a major energy source of the future, but how do they work? In the latest Naked Science Scrapbook, we find out how to generate electricity from hydrogen, how fuel cells helped man to get to the moon, and how you could use one to heat... Fuel cells may be a major energy source of the future, but how do they work? In the latest Naked Science Scrapbook, we find out how to generate electricity from hydrogen, how fuel cells helped man to get to the moon, and how you could use one to heat your water at home... naked scientists,science,scrapbook, fuel cell, hydrogen,oxygen,electrolyte,cell,battery,solid oxide,alkali cell,apollo 06:05 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.09.23/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_How__is__cheese__made.mp4 Fri, 23 Sep 2011 13:52:58 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/6143db0e61.jpg"></td><td> Cheese is a major (and tasty) part of our diets and humans have been making it for thousands of years? But how is it made? In this Naked Science Scrapbook, we find out how we go from liquid milk to solid cheese and how the blue mould and pungent smell of blue cheeses is formed.</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists Cheese is a major (and tasty) part of our diets and humans have been making it for thousands of years? But how is it made? In this Naked Science Scrapbook, we find out how we go from liquid milk to solid cheese and how the blue mould and pungent smel... Cheese is a major (and tasty) part of our diets and humans have been making it for thousands of years? But how is it made? In this Naked Science Scrapbook, we find out how we go from liquid milk to solid cheese and how the blue mould and pungent smell of blue cheeses is formed. naked scientists,science,scrapbook,cheese,milk,lactic acid,coagulation,rennet,calves stomachs,penicillium,roqueforti,glaucum.stilton,blue cheese,mould,bacteria,mature,age,brie,edam,emmental,yarg,epoisses 07:14 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.09.06/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Whales_Bends.mp4 Mon, 5 Sep 2011 23:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/6f1b11c49b.jpg"></td><td> If a diver surfaces too quickly after a dive, they can get the bends, or decompression sickness, causing excruciating pain and sometimes even death. In this Naked Science Scrapbook, find out what causes the bends, why human divers can get it and why (usually) whales don't...</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists If a diver surfaces too quickly after a dive, they can get the bends, or decompression sickness, causing excruciating pain and sometimes even death. In this Naked Science Scrapbook, find out what causes the bends, why human divers can get it and why ... If a diver surfaces too quickly after a dive, they can get the bends, or decompression sickness, causing excruciating pain and sometimes even death. In this Naked Science Scrapbook, find out what causes the bends, why human divers can get it and why (usually) whales don't... naked scientists,scrapbook, science, bends, decompression,whales, scuba diver, diving, regulator, henry's law, nitrogen, bubbles, osteonecrotic, pressure, air, tank 04:56 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.08.12/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Laser_Eye_Surgery.mp4 Thu, 11 Aug 2011 23:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/199179a116.jpg"></td><td> Why are some people short sighted and some people long sighted? And how do we use something more usually associated with a Bond villain to correct someone's eyesight? Find out in the latest Naked Science Scrapbook!</td></tr></table> Naked Science Scrapbook Dr Chris Smith, The Naked Scientists Why are some people short sighted and some people long sighted? And how do we use something more usually associated with a Bond villain to correct someone's eyesight? Find out in the latest Naked Science Scrapbook!... Why are some people short sighted and some people long sighted? And how do we use something more usually associated with a Bond villain to correct someone's eyesight? Find out in the latest Naked Science Scrapbook! naked scientists,science scrapbook,laser eye surgery,lasik,lasek,myopia,hyperopia,optics,lens,cornea,eye,retina,light 03:15 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.07.12/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Planes_in_Flight.mp4 Mon, 11 Jul 2011 23:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/647f7931f0.jpg"></td><td> Being able to fly off on holiday is something we may take for granted. But how does the big metal tube you're flying in stay up in the air? We'll find out in the latest Naked Science Scrapbook. Plus we'll see that if the plane's engines stop working, you won't just plummet out of the sky...</td></tr></table> Naked Science Scrapbook Sarah Castor-Perry, The Naked Scientists Being able to fly off on holiday is something we may take for granted. But how does the big metal tube you're flying in stay up in the air? We'll find out in the latest Naked Science Scrapbook. Plus we'll see that if the plane's engines stop working,... Being able to fly off on holiday is something we may take for granted. But how does the big metal tube you're flying in stay up in the air? We'll find out in the latest Naked Science Scrapbook. Plus we'll see that if the plane's engines stop working, you won't just plummet out of the sky... naked scientists,plane,flight,thrust,lift,aerofoil,wing,coanda effect,airstream 04:05 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.06.28/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Jet_Engines.mp4 Mon, 27 Jun 2011 23:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/1ecdf4b843.jpg"></td><td> Humans have wanted to fly for thousands of years. Modern jet engines allow us to fly more efficiently, at greater speeds than ever before. In this Naked Science Scrapbook, we'll find out how engineers stop the engines from melting at such high temperatures, and why you couldn't run a plane on coal...</td></tr></table> Naked Science Scrapbook Sarah Castor-Perry, The Naked Scientists Humans have wanted to fly for thousands of years. Modern jet engines allow us to fly more efficiently, at greater speeds than ever before. In this Naked Science Scrapbook, we'll find out how engineers stop the engines from melting at such high temper... Humans have wanted to fly for thousands of years. Modern jet engines allow us to fly more efficiently, at greater speeds than ever before. In this Naked Science Scrapbook, we'll find out how engineers stop the engines from melting at such high temperatures, and why you couldn't run a plane on coal... naked scientists,jet engine,engineering,flight,fuel,compressor,turbine,cooling passage 02:31 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.04.01-1/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Ice_Expands.mp4 Thu, 31 Mar 2011 23:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/5f49f46f42.jpg"></td><td> Why does ice float in the cool summer drink of your choice? And why don't ponds and lakes freeze from the bottom up, killing all the fish? Find out with the latest Naked Science Scrapbook, where we'll see that it's all down to the weird and wonderful water molecules...</td></tr></table> Naked Science Scrapbook Sarah Castor-Perry, The Naked Scientists Why does ice float in the cool summer drink of your choice? And why don't ponds and lakes freeze from the bottom up, killing all the fish? Find out with the latest Naked Science Scrapbook, where we'll see that it's all down to the weird and wonderful... Why does ice float in the cool summer drink of your choice? And why don't ponds and lakes freeze from the bottom up, killing all the fish? Find out with the latest Naked Science Scrapbook, where we'll see that it's all down to the weird and wonderful water molecules... naked scientists,ice,expands,water,hydrogen bonds,density,lattice,molecules 04:06 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.03.18-1/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_HIV_And_Malaria.mp4 Fri, 18 Mar 2011 17:48:50 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/0e313de09e.jpg"></td><td> Mosquitoes can transmit deadly diseases like malaria.But could they pass on HIV if they drank from an infected person?Find out with the Naked Science Scrapbook!</td></tr></table> Naked Science Scrapbook Sarah Castor-Perry, The Naked Scientists Mosquitoes can transmit deadly diseases like malaria.But could they pass on HIV if they drank from an infected person?Find out with the Naked Science Scrapbook!... Mosquitoes can transmit deadly diseases like malaria.But could they pass on HIV if they drank from an infected person?Find out with the Naked Science Scrapbook! naked scientists,science scrapbook,malaria,mosquito,plasmodium,virus,HIV,human immunodeficiency virus,yellow fever,dengue fever,safe sex,bodily fluids 04:01 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.03.04/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Copper_Compounds.mp4 Fri, 4 Mar 2011 12:01:39 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/1530f55aa6.jpg"></td><td> Copper compounds can be blue, green, yellow, brown and black - so how does it produce so many different colours? We find out the answer to this, plus why copper's flame test is green...</td></tr></table> Naked Science Scrapbook Sarah Castor-Perry, The Naked Scientists Copper compounds can be blue, green, yellow, brown and black - so how does it produce so many different colours? We find out the answer to this, plus why copper's flame test is green...... Copper compounds can be blue, green, yellow, brown and black - so how does it produce so many different colours? We find out the answer to this, plus why copper's flame test is green... naked scientists,copper,electron shells,ions, transition metal,absorption level,light, colour 03:32 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.02.18/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Lightbulbs.mp4 Fri, 18 Feb 2011 12:43:01 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/9faa4b4f45.jpg"></td><td> What's actually going on in a lightbulb when you switch it on? And why are energy saving bulbs more efficient than normal incandescent ones? Find out in the latest Naked Science Scrapbook.</td></tr></table> Naked Science Scrapbook Sarah Castor-Perry, The Naked Scientists What's actually going on in a lightbulb when you switch it on? And why are energy saving bulbs more efficient than normal incandescent ones? Find out in the latest Naked Science Scrapbook.... What's actually going on in a lightbulb when you switch it on? And why are energy saving bulbs more efficient than normal incandescent ones? Find out in the latest Naked Science Scrapbook. naked scientists,naked,science,scrapbook,lightbulb,incandescent,filament,argon,tungsten,bulb,energy saving,compact fluorescent lamp,fluoresce 03:18 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.02.04-1/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Chameleons.mp4 Fri, 4 Feb 2011 00:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/6b63c0aa39.jpg"></td><td> We all know chameleons can change their colour at will, but how do they do it? And is it really because of camouflage?</td></tr></table> Naked Science Scrapbook Sarah Castor-Perry, The Naked Scientists We all know chameleons can change their colour at will, but how do they do it? And is it really because of camouflage?... We all know chameleons can change their colour at will, but how do they do it? And is it really because of camouflage? naked scientists,chameleon,colour,change,science,naked,scrapbook,camouflage,signalling,chromatophore,skin,pigment,colour,mating,competition 02:50 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.01.21/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Storm_Clouds.mp4 Fri, 21 Jan 2011 10:45:30 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/7a61cc6e44.jpg"></td><td> Why is a storm cloud flattened on top? In this episode of the Naked Science Scrapbook, we'll find out what causes cumulonimbus clouds to form characteristic anvil shapes...</td></tr></table> Naked Science Scrapbook Sarah Castor-Perry, The Naked Scientists Why is a storm cloud flattened on top? In this episode of the Naked Science Scrapbook, we'll find out what causes cumulonimbus clouds to form characteristic anvil shapes...... Why is a storm cloud flattened on top? In this episode of the Naked Science Scrapbook, we'll find out what causes cumulonimbus clouds to form characteristic anvil shapes... naked scientists,science,scrapbook,thunderstorm, anvil, thunder, storm cloud,cumulonimbus,tropopause,atmosphere,lightning,troposphere,rain 02:35 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2011.01.07-1/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Cakes.mp4 Fri, 7 Jan 2011 01:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/f1b1c0cb68.jpg"></td><td> What makes a cake rise? In this episode of the Naked Science Scrapbook, we'll find out what ingredients cause a baking cake to go from a gloopy mass to a light fluffy sponge...</td></tr></table> Naked Science Scrapbook Sarah Castor-Perry, The Naked Scientists What makes a cake rise? In this episode of the Naked Science Scrapbook, we'll find out what ingredients cause a baking cake to go from a gloopy mass to a light fluffy sponge...... What makes a cake rise? In this episode of the Naked Science Scrapbook, we'll find out what ingredients cause a baking cake to go from a gloopy mass to a light fluffy sponge... naked scientists,naked,science,scrapbook,cake,mixture,protein,rise,bake,air,egg,flour,butter,sugar 03:32 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2010.12.25/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Helium.mp4 Sat, 25 Dec 2010 00:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/078d36507f.jpg"></td><td> When you breathe in helium, why does your voice sound all funny? Find out in the latest Naked Science Scrapbook!</td></tr></table> Naked Science Scrapbook Sarah Castor-Perry, The Naked Scientists When you breathe in helium, why does your voice sound all funny? Find out in the latest Naked Science Scrapbook!... When you breathe in helium, why does your voice sound all funny? Find out in the latest Naked Science Scrapbook! naked scientists,naked,science,scrapbook,helium,vocal cords,vibration,sound waves,resonant frequency,molecules,air,oscillation 03:36 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2010.10.09/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_OnionsHQ.mp4 Sat, 18 Dec 2010 23:00:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/92b3650e7d.jpg"></td><td> Why do you start crying after you've chopped into an onion? </td></tr></table> Naked Science Scrapbook Sarah Castor-Perry, The Naked Scientists Why do you start crying after you've chopped into an onion? ... Why do you start crying after you've chopped into an onion? naked scientists,onions, cry, syn propanethial s oxide, lacrimal, tears, allium, naked, science, scrapbook 03:46 no http://www.thenakedscientists.com/HTML/podcasts/scrapbook/show/2010.12.11-1/ http://www.thenakedscientists.com/guid/Naked_Scrapbook_Electrocuted_Birds.mp4 Sat, 11 Dec 2010 14:31:00 +0000 <table><tr><td><img src="http://www.thenakedscientists.com/HTML/typo3temp/GB/932fc93bbc.jpg"></td><td> Why don't birds get electrocuted when they sit on high voltage power cables? Find out in the latest Naked Science Scrapbook!</td></tr></table> Naked Science Scrapbook Sarah Castor-Perry, The Naked Scientists Why don't birds get electrocuted when they sit on high voltage power cables? Find out in the latest Naked Science Scrapbook!... Why don't birds get electrocuted when they sit on high voltage power cables? Find out in the latest Naked Science Scrapbook! naked scientists,naked,science,scrapbook,electrocution,circuit,high voltage,birds,power,cable,electricity