What Actually Goes Down on the International Space Station

The main purpose of the International Space Station is to provide an international laboratory for experiments within the space environment. Which, despite all our technological advances, is nearly impossible to replicate here on Earth. Because for many of those experiments, the key parameter is—you guessed…

Why Screws Tighten Clockwise

One of the six simple machines, a screw is nothing more than an inclined plane wrapped around a center pole. While today screws come in standard sizes, and typically are tightened by turning clockwise (and loosened by turning counterclockwise), this is a recent invention. A great example of how things that seem simple…

How Close Are We to a Real Iron Man Suit?

If we are just talking about an armored suit that augments a human's strength and weaponry, then we're extremely close. But if we're talking about something with all of the primary abilities of Iron Man's character (i.e. flight, clean infinite power, and repulsor beams), that may never become a reality. The current…

Wearing the Suit from Edge of Tomorrow Would Basically Kill You

Those guns... would rip right off those armatures. Weapons, especially heavy weapons, cause a lot of recoil. I mean a lot of recoil. For comparison, I am going to consider the machine gun farthest back to be comparable to the US military's 240-G.