Technology
How to Run on the Moon
When the elevator is stopped, the two forces are equal and opposite, and the...
Technology
How Much Energy Would It Take to Pull Carbon Dioxide out of the Air?
Climate change. It’s bad, and it’s getting worse. The main cause is burning fossil...
Technology
Why Are We Seeing These Crazy Northern Lights?
The aurora borealis is usually visible only way up north, but two weeks ago...
Technology
Can You Really Run on Top of a Train, Like in the Movies?
Just because you see something done in a movie, that doesn’t mean you should...
Technology
Can You View a Round Solar Eclipse Through a Square Hole?
If you live in the US and missed the last total solar eclipse in...
Technology
You Can Count on Pi
For geeks, there are several great holidays on the calendar. There is of course...
Technology
How to Convince Your Flat-Earth Friends the Earth Is Round
Illustration: Rhett Allain You can see that we have a right triangle with the...