How fast does the earth revolve (in mph) so that it makes one revolution of its axis in 24 hours, and what speed is it going so that it circles the sun once a year?
What would happen if I sat in a perfectly reflective ball, covered in perfectly reflective material, and turned a torch on and off. Would there still be light after the torch had gone off as the light...
I have posted this question here as I presume the answer will be something man-made and/or possible industrial. What is the single loudest object in the world? Ie the thing that emits the loudest...
People say that it was the only light of its kind for over 2,000 miles. And when it went out, it was laid to rest in its very own coffin. There are still many lights like it, though.
I seem to remember back at school when learning about molecules that they are in fact a theory and cannot be proved as they cannot be seen. Whoevers theory it was defined their workings by comparing...
Hard one to answer but, what do you think has been the most important invention of the last 100 years and why? I was asked this question and found it difficult to answer, and just wondered what other...
About how many axes (not the chopping kind) can you rotate an object in a gravity- and air-free space, simultaneously? I'm finding this difficult to visualise. Obviously you can take the object and...