Quizzes & Puzzles3 mins ago
Science
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Which way do you stir your tea or coffee - clockwise or anticlockwise? And is it right or wrong either way? I can't see that it matters at all. But the reason I ask is because when I was a kid, about...
I cannot get my head round an article today saying they've found a galaxy that's 30 billion light years away. If the universe started 13.5 billion years ago and, say that's when light set out on its...
We Just had to force a mattress up the stairs , which was rubbing against a lower ceiling ; which has artex on it , causing some of the artex to rub/flake off . Sitting here now i've just remembered...
On the news earlier they said "the disease rickets had been eradicated, but is now making a comeback". To me this sounded odd, can you eradicate a disease which isn't caused by a pathogen?...
Where is it - where did the big bang actually take place?
OK so I know that DNA codes proteins and messenger RNA gets this to Ribosomes use this to create chains of amino acids and proteins And I know that foetal cells are stem cells and able to become any...
Why is the moon still visible in the sky this morning (0915)?
This is so interesting ( well to be it is ) and has all different angles to it ; that i did not know whether to put it in science , history or society . I wonder ( from the cosmetic angle ) whether...
I want to find a cross section map of the mountains between one town and another (in Germany), the sort you see on each stage of a bike race such as the Tour de France. These are not taken from a...
Would caustic soda clean brass. (I know it would not polish them) but to get tarnish off
If you freefall jumped out of an aeroplane at 20,000 feet holding upright an open can of beer, would the beer stay in the can or stream out?
I have wrapped up a DS Lite game with a magnetic notepad, will the magnet corrupt the game? (sorry if this has gone in twice!) many thanks love Wheaten
They couldn't have known how dangerous it was.
A function w=3x^4+3x^2y-y3
It has 'saddle point' - (0,0) and point of minimum (-1/2,-1/2).
How I can check whether it is local OR global minima? (without setting a graph)...
What is the formula for determining the total number of matches played by X teams who play each other once?
It must be. How else would they have mass....
what is world of material, it's importance, science content and social relevance?
How do we know that there are more than 100 billion galaxies in our observable universe?...
If I strike a steel chisel with a steel hammer causing sparks to fly off - Would these be molecules or atoms that glow with friction?
Could other life forms and planets exist on our doorstep (earth's) that we can't see if they were constructed of dark matter?
