While coasting down Gariwang mountain this year, downhill skiers will reach speeds your car can’t even legally achieve. It’s a breathtaking example of Newton’s second law of motion: A force (pushing off) on an object (the skier) produces acceleration.
Ah yes, Valentine’s Day...when love is in the air. Well, love is not the only thing in the air though. Scientists have been studying the amount of heat trapping gases in the air and asking how this will impact the production of a very special Valentine’s Day item, chocolate!
Great skaters like Adam Rippon and Karen Chen make their routines look easy. Their movements are so flawless and steady that even the most daring of leaps and spirals look like something they could do in their sleep.
We now have seven and a half billion people on Earth and rising! A little over half of those folks live in urban areas where it does not get bigger than being in a mega city! As the number of people grows across the globe, so will the number of mega cities on Earth. Let’s explore this topic by asking today’s big question: How many mega cities are on Earth now? Listen to this Question Your World radio report produced by the Science Museum of Virginia to learn more.
From work to vacations and beyond there are a lot of flights required all over our planet every single day. This means there are hundreds of thousands of planes taking to the air every single day to get us to our vacation destinations, visit family, get to meetings, and what not.
There are a lot of concerns over technology overtaking human jobs, but in many cases it’s actually helping humans be better at their jobs. One quick example is drone technology as used for disaster and emergency rescues. This technology has already been used to help find earthquake and hurricane survivors that are trapped or isolated in places that we can’t easily see, but now drones are also being used to save lives at the beach!