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Stirling Engine

By: on June 17, 2017
$52.99
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This desktop Stirling Engine from Sunnytech uses burning alcohol to create an external combustion process that will motor it all the way from China to your front door. Many who have purchased this model of "physics you can touch" note that it's quality is reflective of the price, but...check out that price. It gets the demo done pretty damn well for what it is and what it costs.

What this Stirling Engine is is a single flywheel unit with a glass tube sitting over a wicked vial. Fill with high-grade alcohol (e.g., ethyl) and light the wick to get the motor ready to roll in a minute or so. Once in action it will blaze along until the alcohol runs out (a few to a handful of minutes).

The Stirling Engine is set on an unpainted wood base Sunnytech probably chose because it's a super duper cheap material, but said they chose so you can "fly your imagination" and paint or stain it to your preference yourself.

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Hydrogen Reactor

$123.99 from Amazon »

While it sounds like something Batman would be called upon to save the world from, Brunton's Hydrogen Reactor is actually an innocuous, albeit robust, deliverer of power to portable devices. It's a piece of scientific...

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The USB Kill 2.0 Computer Killer

$49.95 from USB Kill »

If you're using a USB Kill stick you're either pen-testing, trashing your old PC for recycling, or being very, very...very evil. Come on now, I know he cooks eggs in the staff room microwave, and eats beef & bean burritos...

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Dodge Tomahawk Motorcycle

Discontinued

Technically, Dodge debuted its Tomahawk, a motorcycle with 4 wheels, a Dodge Viper engine, and top speed capabilities of 420 mph, a decade ago at the 2003 North American International Auto Show in Detroit. Really though...

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Estream Portable Water Power Generator

$180 - $220 from Enomad »

What if I don't want to disconnect? What if I don't want to see another person for miles, but do want to keep listening to "Love Yourself" and checking to see if Bieber restored his Instagram account? And also have a...

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Turbospoke Bicycle Exhaust System

$19.99 from Amazon »

Hey kids, here's a surefire way to make your parents construct an advent calendar counting down the days until you go back to school next fall. The Turbospoke system, a battery-free, pedal-powered child's dream, fits...

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Electrical Storm Dual USB Power Adapter

$16.99 from Amazon »

This is what my mama always told me would happen inside my body if I stuck my finger in an electrical outlet. It actually looks pretty cool. If she hadn't also told me it would fry my brains like a skillet of bacon and...

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Boeing Jet Powered Go Kart

$10,500 from Craigslist »

Wasn't a DIY jet-powered something the co-star of a Darwin Award several years ago? I guess if you want to take the lead in a sequel, Seth Kettleman from TransTurbine in Maryland has the vehicle for you. The Boeing Boss...

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Hydro-Electric Power Station

$116.34 from Amazon »

Eisco Labs' Hydro-Electric Power Station isn't going to bring clean, sustainable energy to your home, or hack a wad of dollars off your utility bills. But. Since the functional motor and turbine system is desktop-sized...

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SCUBAJET Underwater Scooter

$1,400 - $1,750 from SCUBAJET »

SCUBAJET is a new underwater scooter for propelling your person while diving. You can also attach the water jet to small watercraft, such as a stand up paddleboard, canoe, or kayak. No word yet on whether or now it's...

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Rungu Electric Juggernaut

By: Rungu »

Remember the Juggernaut Bullfrog Fat Trike? Now it's even fatter. And croaks way louder. To their extra-thick, triple-wheeled, all-terrain, no-BS monster, Rungu has added a 2,100-watt motor and Hi-Power Cycles controller....

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Tesla Coil

I don't know if a 50,000-volt Tesla coil is powerful enough to play a tag team rendition of "Sweet Home Alabama" like the pair in the above video, but it does radiate enough high-frequency energy to light 2 fluorescent...

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Pop-Up Kitchen & Desktop Outlets

$23.99 from Amazon »

So rarely when I have a problem--say, needing an extra electrical outlet--does the solution just pop up out of nowhere. But oh boy could I make that happen all the time with this set of countertop-embedded sockets....