Tell me why...
I have two simple physics questions that i can't figure out myself.
1. How does cushion make a seat feel more comfortable?
2. If a plane flies over a considerable distance, will there be a noticable flight time duration difference if it flies over the same distance from west to...
When you immerse a straw in water, the water flows into the straw and the level will be the same as the level of water outside the straw. If you block the hole of the straw, you can pull out the straw and the water will be 'stuck' in the straw as long as one end of the straw is blocked. When you...