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  1. Naked Science Forum
  2. Profile of Just thinking
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Messages - Just thinking

Pages: [1] 2 3 ... 7
1
The Environment / Re: What dose climate change means for the uk?
« on: 04/10/2021 23:30:14 »
They say in about a month from now Australia will start to return to normal what ever normal is I will have to see it to believe it. I think the damage is done more people will jump off the bridge than have passed from covid.
The following users thanked this post: Zer0

2
New Theories / Re: If there was one Big Bang event, why not multiple big bangs?
« on: 04/10/2021 17:23:01 »
Quote from: Bogie_smiles on 04/10/2021 17:06:02
What I find more entertaining than the ants are the squirrels that don't abide by the rule that the seed I put in the bird feeders is for the birds. From dawn to dusk, as long as I keep seed in the feeders, there is a steady stream of birds and squirrels at the feeders hanging outside my windows. And there is constant competition among the four of five squirrels that are almost always hanging around there. They love to cling to the feeders by their hind legs and eat until they get knocked off their perch by other squirrels or incoming birds.


My bet is that this activity is universal, meaning the in a universe full of hospitable planets, of which some percentage of which are teaming with life, there are squirrels or their living equivalents jostling for the available food all of the time.
Good post. My wife loves taking photos of the birds around our home I take great pleasure in them as well You are very fortunate to have those little squirrels in your aria they must be a wonderful pleasure to watch. I think you are correct about the grasshopper he will have to be dismantled never mind. Keep up the good work and feed the little critters.
The following users thanked this post: Bogie_smiles

3
Just Chat! / Re: What is wisdom?
« on: 04/10/2021 16:54:16 »
Quote from: Furious Cat on 04/10/2021 16:45:51
This also reminds me of medicine and physiotherapy students
who do physics and advunced math/s instead of biology in HS
to get a high/er score and who then promptly forget all of it!
Yes, they climb a big ladder and destroy the runs on the way up that makes coming down very nasty. It's a little bit like forgetting how one got there.
The following users thanked this post: Curious Cat

4
Just Chat! / Re: "Why are piple so unkind"?
« on: 04/10/2021 16:25:56 »
The people that are unkind all of the time are psychopathic in nature that is they only care for themselves and will put on a front if they are trying to get something from you this is why the people at the top of the food chain make it to the top many high paid people in society are psychopathic. Unfortunately, we run into them sometimes.
The following users thanked this post: Zer0, Curious Cat

5
Plant Sciences, Zoology & Evolution / Re: What plants cannot survive 24/7 daylight?
« on: 03/10/2021 18:26:59 »
Quote from: Zer0 on 03/10/2021 18:21:36
Mushrooms.

Ps - 🍄
That is the magic answer.
The following users thanked this post: Zer0

6
Physiology & Medicine / Re: How to survive in the desert?
« on: 03/10/2021 14:06:29 »
Quote from: alancalverd on 24/08/2017 18:02:43
Due to a minor navigational error, ace pilot Alan has run out of fuel in the Sahara instead of landing in Dublin (180°, 280° - anyone can make a mistake). Fortunately he has some water and has finally worked out how to locate himself with the GPS.

What is his best strategy for survival if he is (a) 20 (b) 100 (c) 300 miles from the nearest town and has (i) 5 liters (ii) 20 liters or (iii) 100 liters of water?

You may assume that he is, of course, athletically fit and has a reasonable number of Mars bars or non-melting equivalent, or that he is prepared to eat his dead passenger. 
Set fire to the aircraft scrape a large arrow in the sand the way you are heading and walk in the night and rest in the day have some covering for the cold night and hope for the best. That's if your radio doesn't work. Ps water is heavy so make a sled.
The following users thanked this post: Zer0

7
Physics, Astronomy & Cosmology / Re: What is TIME?
« on: 03/10/2021 09:40:25 »
Quote from: Furious Cat on 03/10/2021 09:33:26
Ye's, but/t, in my universe/model if there's no time or time stops, then nothing happens.
We have extra time now in Australia as daylight savings has just started.
The following users thanked this post: Curious Cat

8
Physics, Astronomy & Cosmology / Re: What is TIME?
« on: 02/10/2021 09:50:05 »
Quote from: Furious Cat on 01/10/2021 15:50:54
What is TIME?
Time is the passage of before now and later it is a reminder of our existence and the ager of everything.
The following users thanked this post: Zer0, Curious Cat

9
Physics, Astronomy & Cosmology / Re: Is Time Travel possible?
« on: 01/10/2021 22:26:51 »
to go back in time would mean the future has already happened to go forward in time would mean the same as we could return to the present. If any of this is achieved we would have had contact with the ones that can.
The following users thanked this post: Curious Cat

10
Physics, Astronomy & Cosmology / Re: Is Time Travel possible?
« on: 01/10/2021 22:01:11 »
Quote from: Furious Cat on 01/10/2021 16:08:08
Is Time Travel possible? NO!
NO.
The following users thanked this post: Zer0, Curious Cat

11
Physics, Astronomy & Cosmology / Re: Would U rather have a full head-on or a half one, only, collision?
« on: 01/10/2021 08:08:20 »
I only walk to the fridge to get a beer 24 bottles x 14 metres = 336 metres a day. My wife said that not enough exercise so I said get me two cartons of beer then. 336 x2 = 672 metres I worked it out if the distance gets too much for me I will just have to move the fridge closer to the living room. The other upside is I get the drink not the car and you cant get booked for drink walking.
The following users thanked this post: Zer0

12
General Science / Re: Is science a religion.........well if not why is it defended as though it were
« on: 30/09/2021 23:50:42 »
What science finds God has done. I have faith in God and science. But when I die I will meat God, not science.
The following users thanked this post: Curious Cat

13
Physics, Astronomy & Cosmology / Re: Would U rather have a full head-on or a half one, only, collision?
« on: 30/09/2021 21:37:05 »
A safe way to drive is to scan the sides of the road 80% and the centre 20% this way you will have a better chance of finding with confidence a safer run off aria if needed. I live in the country and when driving I am constantly looking for a level run off as if needed I will go for the fence and the field. PS trees and power poles are not our friends. As for the question a full head on will give a better chance of survival. One more PS. It hurts less if you're killed.
The following users thanked this post: Zer0, Curious Cat

14
General Science / Re: Is science a religion.........well if not why is it defended as though it were
« on: 30/09/2021 07:07:24 »
Quote from: hamdani yusuf on 30/09/2021 06:06:48
Can someone help her answer the last questions?
Perhaps you can skip to 7:40.
Yes, she could have replied having faith in one's god is proof to one's self not proof to anyone else. As faith is to believe and trust.
The following users thanked this post: Zer0, Curious Cat

15
Physics, Astronomy & Cosmology / Re: Why does double the velocity double the momentum and quadruple the KE?
« on: 30/09/2021 00:51:11 »
An example of a different kind the car is travelling at 50k a truck with a big solid bumper is travelling at 50k a head on in this scenario is very different for the car as the truck will force the car backwards that will increase the level of energy to the car but not by 4x certainly not equal but possibly the force on the car could be in the order of 3x why not equal because the car is experiencing a force that is past its internal inertia by being reversed in motion only slightly reduced by the bumper of the truck collapsing a small amount. If you were travelling down the road at 50k and a 100 ton concrete block was travelling at 50k and it was a head on impact then yes the force of the collision on the car will be 4x as the concrete block will have no give and the cars direction will be subjected to a force that is equal to that of doubling the speed this is the big difference concrete block has no give and the car is not only stopped but forced in the reversed direction at 50k. This gives the car a total of 100k impact with no shared absorption. This is x4 impact.
The following users thanked this post: Curious Cat

16
Physics, Astronomy & Cosmology / Re: Why does double the velocity double the momentum and quadruple the KE?
« on: 30/09/2021 00:04:50 »
Quote from: yor_on on 29/09/2021 23:32:59
That one was very nice JT, intuitive. But what I don't find equivalent are the initial conditions. In the first case both kinetic energy and momentum differs from the other.
I think I see where you may be confused say each car is travelling at 50k if we double the speed of the cars the kinetic energy will go up to x4 but in the event of the two cars colliding even when the speed is doubled the kinetic energy is not changed as each car is a separate energy to its self the two cars are as 1x1=1 not 1+1=4 each car has its Owen momentum to deal with and it is not shared as double. The impact stays as one, not 2x and not 4x Energy only goes up for the individual object when the speed is incrested not by combining. However, by combining two objects travelling in the same direction we will increase the energy of both combined.
The following users thanked this post: Curious Cat

17
Physics, Astronomy & Cosmology / Re: Why does double the velocity double the momentum and quadruple the KE?
« on: 29/09/2021 23:18:53 »
Quote from: yor_on on 29/09/2021 23:06:07
You're thinking of inelastic collisions relative elastic,
Maybe if you think of it like this if you roll a rubber ball at a hard wall it will bounce back if you roll two rubber balls at the same speed at each other they will bounce back the same amount even though the closing speed is doubled both balls equally share the collision. The hard wall did not share.
The following users thanked this post: Curious Cat

18
Physics, Astronomy & Cosmology / Re: Why does double the velocity double the momentum and quadruple the KE?
« on: 29/09/2021 22:45:14 »
Quote from: yor_on on 29/09/2021 21:48:05
I will need to ponder that one.
HI Yor-on you see a hard surface like a concrete wall or a 100 ton rock has no give in it so a car hitting it at 50 is the same as two cars colliding with a closing speed of 100 as both cars will share the impact fealing only there Owen deceleration. The two cars combined have double the amount of crumple zone so double the amount of give and double the distance to stop all amounting to halving the damage.
The following users thanked this post: Curious Cat

19
General Science / Re: Is science a religion.........well if not why is it defended as though it were
« on: 29/09/2021 16:36:32 »
Quote from: Zer0 on 29/09/2021 15:44:11
You seem like someone who has the Ability, or Power of Reasoning...& At the same time, Capability of Believing.
😇
(Dats a rarity nowadays)
Hi Zero thank you for your recognition you to must have fine qualities as most people fail to see or recognise the traits in others. I have always been one to overlook the small things that bothersome others but it makes the world interesting and a challenge negotiating the vast nature in all of us.
The following users thanked this post: Zer0, Curious Cat

20
Just Chat! / Re: Why don't people Say Thanks when they read a post?
« on: 29/09/2021 14:28:00 »
Quote from: Furious Cat on 29/09/2021 14:12:24
Guys, I'm cool. I don't care if nobody thanks me. OK!?
Thanks Furious Cat. I think you work too hard to try and please everyone we enjoy your posts and please keep them coming.
The following users thanked this post: Curious Cat

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