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Coin Guitar Picks

Crafty Artisan Andy Gonzales makes these very cool and creative guitar picks from coins. The edges have been sanded and buffed to a glossy shine, …

Time-Lapse: The Earth from Orbit.

Stop whatever you’re doing (unless you’re performing brain surgery) and watch this astonishing and enthralling time-lapse video, showing the Earth …


Proof of the Pythagoras Theorem.

Introduction to LC Oscillators

Vacuum Tubes (Valves): "Electronics at Work" 1943 Westinghouse 21min

Vacuum Tube: How Does It Work? (Part 3)

Vacuum Tube: How Does It Work? (Part 2)

Vacuum Tube: How Does It Work? (Part 1)

hand making vacuum tubes Part 2

hand making vacuum tubes Part 1



Last weekend and this coming weekend was the AWA Bruce Kelley 1929 QSO Party. For this event only transmitters of 1929 (or earlier) design/technology …

FISTS CW Club Home Page

Glowbugs - Steampunk Radio Amateurs

Glowbugs - Steampunk Radio Amateurs<p>Updated on May 1, 2013<p>Steampunk Radio Communications In The Air<p>BTW, much better to say "Ether" or "Aether", not …

Amateur Radio

Shaw Communications


Medicinal Plants and Herbal Remedies

You’d think the daughter of an herb farmer would naturally use herbal remedies to treat and prevent illness, right? Well, I do now, but that wasn’t …

Vote: Was Obamacare spoof best viral video of the week? - TODAY.com

The work week is over, and since we know you <i>never</i> watch Internet videos during work hours, spend a few minutes of your Saturday checking out the stuff that caught our attention this week. After that, vote for the video that you think deserved to go viral.<p><b>Han Solo hears a familiar voice</b><br>British actor …

Pop Culture

A Rad Electric Guitar That Kids Put Together Themselves

If technology has enabled everyone to do anything–be a photographer or a writer, for instance–it’s partly because we’ve found less onerous ways of learning how to do it. That’s the point of the the Loog electric guitar, the sequel to the now award-winning acoustic guitar launched by Uruguayan …


Check Out The New Olympic Pictograms

One year ago we saw the curvy logo for the Rio 2016 games. Today, we get the rest of the graphic identity.<p>We still have two years and some change before the athletic elite descend upon Rio de Janeiro for the Olympic games, but preparations are, of course, already well underway. Along with stadiums …

Graphic Design

Dr. John Douillard

17 Mind-Mangling Optical Illusion GIFs

Don't believe what your eyes tell you.

What We Eat Affects Everything

How men and women digest differently, diet changes our skin, and gluten remains mysterious: A forward-thinking gastroenterologist on eating one's way to "gutbliss"<p>Robynne Chutkan, MD, is an integrative gastroenterologist and founder of the Digestive Center for Women, just outside of Washington, …