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Science

Welcome To The AnswerBank Science: twinned with CERN*. We're here to answer all questions scientific.

Whilst discussions and debates are encouraged, The AnswerBank reserves the right to remove answers that are misleading, e.g. by implying that a statement is a scientific theory or law when it is not, especially when such answers may impact personal health choices.

The AnswerBank makes no claim regarding the scientific accuracy of any post (question or answer) made by a member.

*Not actually twinned with CERN.

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Etch
Latest "Surface Update and What It's Like to Land on Mars" just starting: https://www.youtube.com/watch?v=gYQwuYZbA6o&ab_channel=NASA...
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morgannesti
A horizontal force of 24 N is being applied to a box on a level surface. The friction force of the surface back on the box is 14 N. The box is accelerating at a rate of 2 m/s^2. What is the mass of...
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tiggerblue10
https://www.bbc.co.uk/news/science-environment-53119686 I find this stuff fascinating. Would be great to see images of these findings :o)...
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brainiac
Here's some good news in these grim times. Much better than the very unreliable PSA test: https://www.sciencefocus.com/news/game-changing-prostate-cancer-test-works-in-15-minutes/...
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Professy
A hi-vol sampler draws air at an average rate of 70 ft3/min. If the measured particle concentration is 200 ~g/m3 and the hi-vol was operated for 12 hours, what was the weight of dust on the filter?
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ToraToraTora
It's past it's closes but to me it looks brighter tonight, must be atmospheric effects.
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jim360
Sure, it's "vital for their survival", although I guess anyone trapped in an icy water with no prospects of survival would turn to drink to cope... http://www.bbc.com/news/science-environment-40899192...
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gl556tr
... run on fuel-cells?...
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wendilla
1st sighting. 6 59 pm for 5 mins. SW departimg E 2nd sighting. 8 35 pm for 2 mins. W departimg SW...
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mibn2cweus
http://www.hindustantimes.com/world-news/i-ll-miss-the-view-iss-astronauts-top-25-shots-of-earth-from-space/story-lQ1Ru1drDYpUxW5wGQJbGL.html...
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Sachin114
My book says primary carbon is a carbon atom which is connected to one other carbon atom. and so on for sec ter and qurt. but every example it shows has only carbons attached via single bonds. so i...
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Grandpappy
Has anyone in the North East of England ever used a company called 'One Planet Solar' ? Just checking! Cheers all....
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lilypoppyfre
is there a set formula to ensure steel conduit bends where it is supposed to ? I'm trying to form an off-set bend,using two 45 degree bends,with 100 mm's between them. All attempts so far have been...
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Zacs-Master
http://www.telegraph.co.uk/news/science/space/11412854/Watch-Stunning-Nasa-time-lapse-captures-Suns-activity-over-five-years.html...
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bibblebub
This is a short film made by the ESA about the Rosetta mission to comet 67P/Churyumov–Gerasimenko (and yes it is him from Games Of Thrones), but is it any good? It looks quite impressive but doesn't...
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BigRooster
Has any one got any experience in mixing Corraban 26 which is a sulphite oxygen scavenger and corraban 30 which contains sodium hydroxide I'm looking for the right ratio .
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AndiFlatland
Not a question, only an amusing comment: There may not be any evidence yet of life on Mars - but there's definitely DNA on SeDNA!! Douglas (Noel) Adams would have chortled at that one!!!...
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Madame-X
the reception became very spotty and annoying when we put in a journey recorder and eventually proved the diagnosis by putting the journey cam next to the radio or its aerial, which caused the radio...

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