In a supposed “nationwide first” use of drones to disarm a person, the Sacramento County Sheriff’s Office in California promoted a video showing how a small quadcopter drone used a dangling magnet to ...

You hit print on an object downloaded from an online database, and watch as it lays down skinny cross-sections one after another. That's how 3D printers work. It ...

Most people treat Excel as a rigid calculator, completely missing its capacity for chaos. Excel's built-in randomization tools can generate numbers, shuffle existing lists, and build mock timelines in ...

Drivers in the U.S. are very familiar with typical speed limits, from 25 mph in neighborhoods to 65 mph and above for interstates. While there are different sign types, including maximum and minimum ...

Encryption systems rely on “random” numbers, but conventional computers can’t generate them perfectly. New research shows that quantum physics can. By Alexander Nazaryan Researchers in Switzerland ...

Margaret Morganroth Gullette’s books include “American Eldercide: How It Happened, How to Prevent It” and “Ending Ageism, or How Not to Shoot Old People.” In Nikolai Gogol’s 1836 play “The ...

Late last year, Gina found herself pouring her heart out to a pastor on a virtual call. She was plumbing the depths of her most difficult memories—her breakups, her childhood trauma, her relationship ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

A few weeks ago, I woke to yet another bleary morning, turning my alarm off in frustration and asking myself, "Why am I still exhausted?" I mentally checked off the sleep hygiene tips I'd learnt from ...

Random forest regression is a tree-based machine learning technique to predict a single numeric value. A random forest is a collection (ensemble) of simple regression decision trees that are trained ...

Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. Grab something circular, like a cup, measure the distance around the circle, and divide ...