If you set ball bearings at the top of each of these two inclined planes, one linear and the other curved, which ball reaches the bottom faster? Are they Galileo's balls, arriving simultaneously because of gravity? Are they Leonardo's balls, with the linear one arriving first because it has less distance to travel? Or are they Huygens' balls, the undulating one winning because of acceleration?
Ball bearing ramp challenge: which reaches the bottom first?
Watch the inventor of the maglev train demonstrate magnetics
It's comforting to know that Professor Eric Laithwaite (1921-1997) former Professor of Heavy Electrical Engineering at Imperial College London and inventor of the maglev trains felt the same way as Insane Clown Posse about magnets. His opening remark in this 1975 video is "Permanent magnets are difficult things to understand. In fact, if we're absolutely… READ THE REST
There's a weird acoustic phenomenon at the "Center of the Universe" in Oklahoma
I just learned about the "Center of the Universe" — a strange acoustic phenomenon in Tulsa, Oklahoma. Stand at the right spot, and your voice will echo wildly around the architecture, no matter how soft or loud you try to speak. But to listeners just outside that specific spot? Your voice completely disappears. The architect… READ THE REST
Anvil floating in tub of mercury
In this footage posted by Cody's Lab, there's a nice little breeze: perfect weather to float an anvil in liquid mercury. (Quicksilver is relatively safe to handle; it's mercury salts and compounds that will drive you mad) READ THE REST
Upgrade your office setup with 13 deals on external monitors
From enhancing productivity to making working more enjoyable, there are lots of reasons to upgrade your monitor situation. Whether portability is your main concern or you simply need more digital space to complete tasks, these 13 external monitors can definitely fill the bill. Check out these 13 external monitors, all boasting freshly-slashed price tags. Mobile… READ THE REST
Save over 20% off this special edition Xbox One X + Fallout 76 bundle
We're currently at the forefront of a gaming console revolution. Video games are becoming more advanced, more interactive, more lifelike, and more community-based than ever before. Additionally, the consoles themselves are becoming so much more than just for games. They're designed to be your all-in-one home entertainment unit. Leading the charge into the new generation… READ THE REST
Channel your inner artist with these epic $30 drawing lessons
Whether you love to sketch figures now and then or can't do much more than "paint by numbers," there's no denying the therapeutic effect drawing and creating art has on your mind and soul. But if you're looking to take your drawing skills up a few pegs, whether it's for fun or to strengthen your… READ THE REST
