Breaking the Ice on Technologies

Tag: Science / Dot Physics

For Pi Day, Calculate Pi Yourself Using Two Colliding Balls

For Pi Day, Calculate Pi Yourself Using Two Colliding Balls

This is at least my ninth year of writing about Pi Day—here is my post from 2010. Of course it’s called Pi Day because the date, 3/14, is similar to the first three digits of pi (3.1415 …). At this point I’ve built up a […]

You Can Power a Calculator With Some LEDs

You Can Power a Calculator With Some LEDs

Suppose you are getting ready to take a physics test. Everything is set—but wait! Your calculator battery died. What do you do? If you’re extra crafty, you could grab an LED (light-emitting diode) and use it to get your calculator to function again. I know […]

The Sensible Math of Knocking Over Absurdly Large Dominoes

The Sensible Math of Knocking Over Absurdly Large Dominoes

Everyone has probably played with dominoes. At some point in your childhood, chances are that you tried this game: Line up a bunch of dominoes in a row and then knock one over. Soon the rest of the dominoes topple in a chain reaction. I’m […]