Every morning, I drink half a liter of coffee with milk. I drink the first cup in the kitchen. But the second cup I like to drink after breakfast in the living room while checking emails. The problem I’m then confronted with is this: the coffee gets cold. But I only like coffee that is at least lukewarm. So how does my coffee stay warm? Let’s do some science…
A common goal in many sports is to throw, kick, or hit a ball as far as possible. To reach this goal is simple: you apply all the force you have to the ball. But that’s not all. You also have to choose the best launch angle. The angle plays an important role in determining the distance that flying objects travel.
When you go to the store you have the choice: Energy saving bulbs or standard light bulbs. But, what’s the difference exactly? Continue reading “Energy saving bulbs and a standard light bulbs”
When the Texas Rangers were in the World Series again, I thought about the physics of pitching curveballs. If you know the science behind it, you probably don’t pitch better curveballs, but it’s interesting to know why the ball moves the way it does. But who knows, maybe it does. Let me know if it actually helps to improve your pitching. Continue reading “Physics of a curveball”
Sometimes when it rains, you can see a rainbow. A rainbow appears only when it is raining and sunny at the same time. But the sun, the clouds and you, have to be at a certain position in order to observe a rainbow.
It’s not that everything is lit up by blue light. No, sunlight is actually white. But the sky is blue. Where does this color come from? And think about this: the sky is only blue if there are no clouds. Clouds, fog, dust, and haze are all white. So how comes, that the sky is blue, but clouds are white? Continue reading “Why is the sky blue?”