In this series of highly educational videos on helicopter physics, Youtuber Smarter Every Day teaches us some of the basics behind how helicopters work. I highly recommend that you geeks subscribe to this guy’s Youtube channel because… well… he’s absolutely brilliant! Helicopter Physics Intro Chopper Control Collective-Cyclic Pitch Mixing (Upside Down Flying) Gyroscopic Precession (Helicopters […]
Getting a spacecraft to Mars is one thing; getting it safely to the ground is a whole other challenge! This 60-second video from NASA’s Jet Propulsion Laboratory explains three ways to land on the surface of the Red Planet. [Via Gizmodo]
Learn why String Theory just may be the answer to everything in the universe. Thanks Michael!
Don’t you just love that old book smell that drifts into your nose when you open an old book or enter a used bookshop? But have you ever wondered where this smell comes from? In the following video, Richard from Abebooks explains how old books get that distinctive odor. [Via Neatorama | Old Book Picture […]
[Via The Sagan Series]
Created by: OnlinePhD.org
Creating the illusion of a static flow of water using sound. Of course this isn’t my idea and plenty more refined examples already exist. So, anyone out there who can explain how this illusion was created? Let us know in the comments section below! [Mrbibio]
We’re looking at the original lamp designed by Sir Humphry Davy. It revolutionized safety in coal mines and prevented countless methane explosions. [Periodic Videos | Picture Source: Wikimedia Commons]
We don’t exactly think of snails as dynamic, but it turns out they can generate electricity. Researchers are now looking for ways to turn tiny creatures into tools, and even harness power in a similar way from the human body and avoid the need for batteries in implanted medical devices. A team at Clarkson University […]
New videography techniques have opened up the oceans’ microscopic ecosystem, revealing it to be both mesmerizingly beautiful and astoundingly complex. Marine biologist Tierney Thys has used footage from a pioneering project to create a film designed to ignite wonder and curiosity about this hidden world that underpins our own food chain. [Source: The Plankton Chronicles […]