Science
Exploring "Why" questions about Science
484 articles
Why do we feel so exhausted after a long flight even though we basically did nothing.
Our muscles are tired of sitting in one place, with no ability to stretch or move comfortably, for a very long period of time. Our bodies like to move! They like to lift things and stretch and sprawl
Why do so many bathrooms have their light switches outside of the room?
Bathrooms have water pipes in them, and it's safer to keep switches and outlets away from water unless they (switches and outlets) are waterproof.
Why do electrical companies want you to conserve energy?
1. the electrical company makes much of it's money selling you access to electricity and only some in charging for actual electricity. For example, I generate more power than I use with my solar panel
Why do stars twinkle if the light we’re seeing is from thousands of years ago and most things aren’t big enough to block its light?
Stars twinkle due to atmospheric interference. If you've ever seen "heat waves" shimmering above a road, you're seeing a similar principle at work. Gasses can cause interference with light passing thr
why can’t you drink an object floating in a glass of liquid?
The object is floating in the water. As you tilt the glass to drink, the object continues to float in the liquid (after all, water ~~is heavier than the object, and air is lighter than the object and
Why does turning the batteries (in a remote control for instance) provide a little bit more energy?
The battery contacts get corroded by a thin film of oxide, and moving the battery scrapes the oxide clear or moves to a spot with less oxide.
Why did bundling IE with Windows cause anti-trust violations but Safari/ Itunes in IOS and MSE in Win8 isn’t?
Because iOS isn't using their dominance (because they don't have any) in one market to dominate another. iOS doesn't dominate mobile phones like Windows dominated personal computers. The same could be
Why does water feel much colder in your mouth when chewing mint gum?
The ingredient in mint gum that gives that cooling sensation is called Menthol. The tongue can not tell the difference between Menthol and actual cold temperatures so that's why they feel the same. As
Why metal at room temperature feels cold while, say, fabric at room temperature doesn’t
I believe it has something to do with the rate at which heat from your body is transferred to the material. Your body is hotter than both the fabric and the spoon, which are at the same temperature, b
Why dont other countries have military bases in the US, While the US has bases in many other countries?
The US has a huge military force with the primary mission of projecting force worldwide. Most other countries have comparatively small forces with a mission of only local self defense or regional forc