5 physical equations everyone should know
From cars to smartphones, every technology we rely on was engineered using physicsYou don't need to know science to use these things. But a well-rounded human being must understand at…
Can You Get Rich Using a Raspberry Pi to Mine Cryptocurrency?
After the first 20 minutes, the water temperature appeared to increase at a fairly steady rate of 0.0006 °C per second. This increase in temperature means that there has been…
How does a movie projector show black?
Courtesy of Rat AllenBut what about the colors of the video projector? It basically does the same thing. However, instead of a bunch of tiny RGB lights, it projects RGB…
Why can't you change seats on an empty plane?
this is the last The day's flight and the plane are pretty empty. So you're thinking, maybe you'll just move up a few rows, where there's a nice window seat…
Physics of Macy's Thanksgiving Day Parade Balloons
If you double the radius of the balloon, you increase the volume eightfold (since volume is proportional to the radius of the cube). But what about the material outside the…
Why is it so difficult to show the Sun, Earth and Moon in a diagram?
Is this really true? Yes. Look, I can prove it. Here is a graph of the trajectories of the Earth and the Moon as they orbit the Sun over the…
How to Design a Real Life Hot Wheels Loop
The minimum height I get is 2.5R. So if the loop is 4 meters high (with a radius of 2 meters), the car would have to start 5 meters above…