Garrett gutierrez

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Show & Tell 11/9/2013 - Electronics and more!

Make a Computer Monitor That Only You Can See

Here’s the ultimate example of someone who values his privacy for watching...um...videos on his PC. YouTube user brusspup shows how to make a DIY …

How to understand “The battle for power on the internet”

I still remember the moment I first discovered the World Wide Web. It was in 1994 or 1995, at a row of desks that held the handful of computer terminals then available in the university library of the London School of Economics. On the Windows 3.1 desktop (so old there wasn’t even a Start button) I …

London School of Economics

Trippy Video Produces Hallucinogenic Effects

In 2012, ScienceForum created a trippy video of optical illusions designed to produce natural hallucinogenic effects after viewing. I can attest that …

Cool Stuff

Google Science Fair Winner Makes Flashlight Powered by Body Heat – The Great Energy Challenge Blog

Many of us stash a flashlight for emergencies, only to find that when the time comes to use it, the batteries have run out. The problem of how to achieve efficient, lightweight energy storage plagues everything from flashlights to electric cars. But what if you could bypass it altogether? That’s …