• MP3	Train Tracks - how trains go round corners Sun, 23rd Sep 2012 Trains often have the wheels welded to their axles, so how do they go around corners? Fin...

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  MP3	Build a Hot Air Balloon Sun, 25th Mar 2007 Hot air balloons are the most elegant way to fly - build one from normal kitchen material...

• MP3	The Spin of a Bouncing Ball Tue, 17th Jul 2012 Bouncy balls may seem fairly normal, but they can do some very surprising things whey the...

• MP3	Opening a bottle of wine without a corkscrew Fri, 27th Apr 2012 Opening a bottle of wine without using a corkscrew, or even touching the cork.

• MP3	Which Thread Breaks? Using inertia to your advantage Sun, 29th Jan 2012 If you suspend a bottle in the middle of a piece of cotton then pull on the end of the co...

• MP3	Falling Cards Sun, 5th Jun 2011 Confuse your friends with this slightly unorthodox card trick

• MP3	Balancing Brooms - finding the centre of mass Thu, 5th May 2011 How to keep a broom balanced on your fingers, while moving them, without even trying!

• MP3	Bashing balloons - why balloons suddenly stop. Sun, 13th Feb 2011 This is an experiment you have probably done by accident bash a balloon really hard, does...

• MP3	Jet powered Rotor Sun, 16th Jan 2011 Make a jet powered rotor and find out why a hoover couldn't power a plane.

• MP3	Blowing out candles around corners Sun, 19th Dec 2010 Find out how to blow out candles behind solid objects

• MP3	The Potato Arch Sun, 19th Sep 2010 The Arch is an ancient piece of technology that is still common today. If you have a pota...

• MP3	DIY CD Hovercraft Sun, 9th May 2010 Make a neat little hovercraft using a CD and a balloon.

• MP3	Water Pressure Sun, 28th Feb 2010 Do a classic experiment to show why dams have to be so high and submarines so strong.

• MP3	Dancing Raisins Sun, 14th Feb 2010 Make raisins dance in front of your eyes using nothing more sophisticated than some fizz.

• MP3	Exploding Film Canisters Sun, 24th Jan 2010 Find out how to make a mini-explosion using a film canister, and find out how your explos...

• MP3	Cycle Centrifuge Sun, 6th Dec 2009 Use a bike and some salad dressing to find out how blood is separated and how nuclear fue...

• MP3	Build your own helicopter Sun, 1st Nov 2009 Build your own helicopter using just a piece of card, some tape, and a few pencils.

• MP3	Lard Mountains - Isostacy Sun, 18th Oct 2009 Build some mountains out of lard, and find out why mountains are like icebergs, and what ...

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