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Science

1 lurker | 36 watchers
Dvorak
Dvorak
Nov 2023
8:14pm, 14 Nov 2023
27,328 posts
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Dvorak
If you would like programmes (avail as podcasts) about chemical elements, the BBC ,(World Service) has 58 of them.

bbc.co.uk
HappyG(rrr)
HappyG(rrr)
Nov 2023
8:25pm, 14 Nov 2023
48,423 posts
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HappyG(rrr)
My son got me reading New Scientist magazine.

Did Physics and Chemistry to uni level. Still love to read and understand. Will watch and read and contribute when I can. Nice idea. :-) G
Silent Runner
Silent Runner
Nov 2023
9:22pm, 14 Nov 2023
991 posts
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Silent Runner
Nice idea for a thread. I came across these recently: royalsociety.org - a series of Royal Society primers on subjects such as forensics, ballistics and fire investigation; aimed primarily at providing guidance to the courts but available for anyone to download.

I haven't had a chance to read any yet, but I had a brief glance at a couple and they look like interesting reading.
Derby Tup
Derby Tup
Nov 2023
9:30pm, 14 Nov 2023
62,127 posts
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Derby Tup
I sell dyes and chemicals for a living. Science is wonderful. Thanks Fetch for this thread
fetcheveryone
fetcheveryone
Nov 2023
9:32pm, 14 Nov 2023
29,806 posts
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fetcheveryone
No problem. I do this for a living.
K5 Gus
K5 Gus
Nov 2023
8:19am, 15 Nov 2023
5,968 posts
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K5 Gus
Here's a question for the physicists or engineers, or somebody who understands motion - my brain fog can't quite work this out, can convince myself both ways...........

If you put 2 treadmills on a train, one facing direction of train travel, one facing against direction of travel, and train travels at a constant speed, say 50mph. Is it easier to run at a certain treadmill indicated pace (obvs cant use GPS pace), say 8 min/mile, when facing "forward" and if so, how much easier?
macca 53
macca 53
Nov 2023
8:28am, 15 Nov 2023
31,894 posts
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macca 53
Like DT, close to 50 years making and selling in the paint and chemical industries - our paths will have crossed (even if it was only on opposite sides of the M62!)
Sam Jelfs
Sam Jelfs
Nov 2023
8:46am, 15 Nov 2023
1,413 posts
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Sam Jelfs

K5 Gus
8:19am, 15 Nov 2023

Here's a question for the physicists or engineers, or somebody who understands motion - my brain fog can't quite work this out, can convince myself both ways...........

If you put 2 treadmills on a train, one facing direction of train travel, one facing against direction of travel, and train travels at a constant speed, say 50mph. Is it easier to run at a certain treadmill indicated pace (obvs cant use GPS pace), say 8 min/mile, when facing "forward" and if so, how much easier?


Assuming that the train is moving at a constant speed and that it is sealed so that there is no airflow, then there is no difference. It is all down to the frame of reference. During acceleration of the train you will have a benefit to going in the opposite direction of travel due to your own inertia, but once the train is at a constant speed then the forces on you are negligible.
Mushroom
Mushroom
Nov 2023
8:52am, 15 Nov 2023
2,886 posts
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Mushroom
Similar to the Royal Society, The Royal Institution has got a whole load of videos (you may have seen some of their Christmas lecture series over the years)
https://www.youtube.com/@TheRoyalInstitution/videos


My son has got me into looking at Maths lectures. Numberphile is aimed at a school level and they're entertaining.

https://www.youtube.com/@numberphile/videos


If you like Maths, then Oxford Professor, Marcus du Sautoy has a number of excellent videos.

https://www.youtube.com/results?search_query=marcus+du+sautoy


His most recent is 'Around the World in 80 Games'.

https://www.youtube.com/watch?v=8IvhWMJnEyg
HappyG(rrr)
HappyG(rrr)
Nov 2023
8:55am, 15 Nov 2023
48,429 posts
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HappyG(rrr)
Watching the Royal Institution Christmas lectures (even though they are for kids, they're not dumbed down and they are bang up to date, with latest theories and research) is one of my personal Christmas treats to myself! :-) G

About This Thread

Maintained by fetcheveryone
I thought it would be cool to have a science thread. The idea being to share cool science that you've found out about. Or maybe to ask science questions that you don't know the answer to. Or science answers that you don't know the question to. It doesn't have to be highly complex stuff, it can just be everyday stuff that you can explain with science e.g. why do we get condensation on the inside of windows? But it can also be complex stuff. Or Youtube videos you've found ...
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