Tag Archives: dot-physics

This looks like something out of a video game, but it's for real. Some parkour masters can scale a building by jumping back and forth between two facing vertical surfaces, zigzagging upward. Seriously, check it out right now, I'll wait. (It's the move that starts at 0:10 in the clip.) …

Have you ever sat on the bottom of a swimming pool and pondered your watery ceiling? Most of the surface is a sheet of light blue, and you can't see through it, even though the water is clear. But right above you, there's a round window of transparency. And here's …

Catch it live: The Men's Long Jump Final at the Paris Olympics will be held on Tuesday, August 6, at 2:20 pm ET. The Women's Final is on Thursday, August 8, at 2 pm ET. Whether an athlete wins gold or silver at the Summer Olympics can turn on the …

At a recent rally, Donald Trump stated that electric planes would be a bad idea because you couldn't fly if it was cloudy. I guess “electric” equates to “solar energy” in the former president's mind—which, you know, is actually great. Just … not so much for air travel. Oh, solar …

In the future I'm sure there will be a city on the moon. We know how to get there, it's super close, and it could be great for further space exploration. However, there's a problem with living on the moon for any length of time: the weak gravitational field, which …

Theres a famous star that I'm sure you've seen in the sky. Its name is Betelgeuse, and you can find it in the Orion constellation, where it marks Orion's right shoulder. If you want to call it “Beetlejuice,” I'm fine with that so long as you don't say it three …

When you think of Star Wars, what's the first image that comes to mind? Lightsabers, right? Everyone loves lightsabers. You can buy some nice replicas, and there are even classes on lightsaber training. But what about an actual working lightsaber? What it would take to make a real one? Today, …

Just because you see something done in a movie, that doesn't mean you should try it yourself. Take, for example, a human running on top of a moving train. For starters, you can't be sure it's real. In early Westerns, they used moving backdrops to make fake trains look like …

If you live in the US and missed the last total solar eclipse in 2017, good news! You're about to get another chance. There will be a total solar eclipse passing through Texas and the Midwest states on April 8. Remember that in a solar eclipse, the moon's shadow falls …

Everyone's talking about heat pumps these days as a better way to warm your home. They even pull double duty, replacing your air conditioner in summer. The great thing is that they're generally more energy-efficient than old-school heaters, and they don't burn any fuel, so replacing that old gas furnace …