Science

Welcome To The AnswerBank Science

Any discussion that is scientifically led is acceptable, whether it is about physics or a conspiracy theory.

Whilst discussions and debates are encouraged, The AnswerBank reserves the right to remove answers that are deliberately 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.

1921 to 1940 of 6599

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Treehorn

A kilo of mercury in the microwave

What would happen?

GCSE maths

GCSE Maths homework Can anyone help with my GCSE maths homework? In the topic of powers and indices, the question is 'Evaluate 5' (for 1 mark). The next question on the sheet is 'Evaluate 4 to the...

obeypriscilla

a 15kg mountain bike with an acceleration to 0.6m/s2

the 2 is supposed to be little this question was on my homework i need to know how you get the answer by process

Scarlett

Evolution question

The oldest known musical instrument is 43,000 years old. Our brains are 12,000 years old, in their current evolutionary state. So how different was the brain of the 43,000 year old flute maker? Did he...

Captaincrunch

Me and the missus are watching the fantasy cartoon "The Polar Express"

And throughout you can see the guys in the front of the steam engine shoveling coal into the engine, she reckons that the old steam trains used to run like this and i cannot believe that one man can...

LazyGun

Dara O Briains Science Club

Quick heads up - first episode tonight BBC2 9pm. I will be interested to see how it turns out ;) http://www.bbc.co.uk/...ins-science-club.html...

beso

Does the Moon have seasons?

I am sure we would call it "winter" all year round by our standards but are there seasonal cycles on the Moon?

charliesteve

Tv Interference

Hello, Can anyone tell me why when the refrigerator motor switches on i get picture breakup on my TV. Thanks Steve...

wildwood

Super strength.

I know about the temporary adrenalin release to a 'fight or flight' response but is there any authentic evidence that a man can lift unbelievable weights like 1000kg at such a time? I can imagine up...

LazyGun

Horizon: The Core

Just a quick heads up for anyone interested; Horizon: The Core tonight on BBC4 @8pm. Sounds pretty interesting... :)...

hiflier

Mathematical question relating to Fermat's last theorem

Fermat's theorem stated that there was no whole number solution to the equation a^n+b^n=c^n where n was any whole number greater than 2. But has anyone investigated the possibility of a solution to...

wforme

eternity

If erternity exists, could it definetely have an end to it? What are your thoughts?

wforme

Breathing

How should normal breathing feel like. Should it include pain? Or should you not feel anything when your chest rises and falls?

pdq1

Petrol from Air

http://www.airfuelsyn...nology/timetable.html Will this be commericially profitable after they have done the experiments? The process has been checked and verified OK and by using renewable fuels will...

Lomaser

A space vacuum tube from the lower atmosphere? Could this work?

If we could build a large tube big enough for a spacecraft to fit through from the lower atmosphere into space and turn it into a vaccum by sucking out the oxygen (Or could we leave it as it is but...