Why hitting a ball yields much more speed than throwing itHave you ever wondered why a hit ball moves much faster than a thrown ball? Basically, all the ball's moving energy comes from the athlete. But somehow you can give more energy to the ball when you hit it than when you throw it.
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Curving on a flat track and on a banked track
Where does thunder comes from?I really like thunderstorms when I am inside and can observe the heavy rain, lightning and thunder from a dry and safe spot. Thunder is produced at the same time as lightning. But have you ever noticed that thunder always comes after lightning? You can actually tell how far away you are from the thunderstorm by measuring the time difference between the lightning and the thunder. Let's have a look at lightning and at the origin of thunder.
The lowest temperature everThe lowest temperature ever recorded on the earth was -128.6°F (-89.2°C) at the Vostok Station on the Antarctic on July 21, 1983. The lowest temperature in the universe is roughly -453.8 °F (-269.9°C), which occurs far away from any heat emitter like the sun. But this article is not only about the lowest temperatures ever occurring. No, I'm also writing about the lowest temperature possible at all.
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Regardless of whether you curve on a track in roller derby or on a motorway in NASCAR: if the track is banked, curving is easier than on a flat track and you can go faster. The reason lies in the circular force.
- The neuroscience behind the urge to move your restless legs
- Using physics to throw, kick, and hit balls further
- Where do rainbows come from?
- The neuroscience of optimism and why we resolve we'll be better
- Lunacy by the full moon-acy: is it real?
- Salt treatment for icy streets
- Fogged up glass
- Inflating a car tire with a bicycle pump?
- Solar powered electricity
- Physics of a curveball
- Where’s the Queen?
- Faster than light
- Coffee with milk
- The difference between an energy saving bulb and a standard light bulb
- The colors of the sun
- About this magazine