See this inventor's odd bicycles from the 1930s

This engineer, active in Kidderminster, England in the 1930s, appears to be the artistic ancestor of San Francisco's Cyclecide bike rodeo. (British Pathé via Weird Universe)

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This 90-year-old man is building a cathedral by himself, by hand

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For more than 50 years, Justo Gallego has spent his days building his own beautiful cathedral outside of Madrid, all by himself.

"When I started to build this cathedral, the word on the street was that I was crazy," Gallego says.

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Pallet skating on a city's trolley tracks

And they said the Segway would change the way we moved through cities! Video of pallet skating in Bratislava, Slovakia by Tomáš Moravec.

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This man is building the business of DIY assault rifles

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Remember Cody Wilson, the founder of Defense Distributed who caused chaos last year with his design for a 3D printed gun, The Liberator? Now, Wilson and engineer John Sullivan have developed a $1500 desktop CNC mill, called the Ghost Gunner, that cranks out the key component in assault rifles. Now you can make your own AR-15! There's a waiting list to buy one and the money is going to Wilson's lawsuit against the State Department. From Rob Walker's excellent feature in Bloomberg Businessweek:

Most people can purchase a pretty good factory-built gun for $1,000. Even so, Wilson got 10 orders on Day One and started raising the price, soon cutting off pre-orders at 500. Sullivan submitted redesigned specs to suppliers by mid-December, with Wilson, Sullivan, and Denio building the earliest units themselves. They started shipping in April 2015.

Gradually, Wilson put together an assembly team—contacts from his network, random supporters who reached out via Twitter, and so on. “It’s torture man, getting going,” he says. “But here we are. It’s been a full year of Ghost Gunner shipping.” The enterprise just surpassed 2,000 units shipped. (An upgraded Ghost Gunner 2 debuted on June 21 at $1,500; you can get on a waiting list for $250.)

Sullivan has since transitioned to a “consulting role.” He spoke to me, somewhere en route to Oklahoma City, from his van, which is where he and his fiancée essentially live, having sold most of their possessions. He’s opted for a low-expense, permanent-vacation lifestyle, he says, and can now pick and choose the projects that interest him.

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How to make a spare padlock key at home

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This guy used sticky tape, a candle, a tin can lid, and scissors to make a spare key. He skipped the part where he cut the business part of the key, though. Read the rest

Ingenious idea for a Thor toolbox

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If you were a Norse god/superhero who moonlighted as a carpenter, this Thor Hammer Tool Kit would hit the nail on the head. Unfortunately right now it's just a concept design from Dave's Geeky Ideas!

When not being carried around for Asgardian cosplay, this hammer opens up to reveal all the tools stored inside. The handle is shared with an actual hammer, which is fastened into a removable tray. Beneath the tray is a reservoir for loose tools and nuts/bolts.

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Living room "wallpapered" top to bottom in books

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Deece27 bought 4,000 random books from Books by The Foot and fastened them to the wall by nailing each one to the book underneath followed by two nails angled into the wall. Check out more images of the project here. (via r/DIY)

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How to make an edible virtual reality headset

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Caleb Kraft used the Google Cardboard design to make a working VR headset from graham crackers and icing. It's entirely edible, except for the lenses.

"Making an Edible Virtual Reality Viewer for Your Phone" (MAKE:)

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How to build a travel ukulele from scratch

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Dremel commissioned Mark to make something interesting that used their tools and document the process online. So he made this cool soprano ukulele that has a full-size body but is much shorter than typical ukes because he used zither tuning pegs. He posted the full build notes on Medium.

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How to electrify your skateboard with a power drill

DIY boosted board made with a power drill, brass wire wheel brush, extension bit holder, right angle drill attachment, flexible bit holder, and of course a skateboard and wheels.

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Pong beautifully remade as a physical, analog arcade game

The Pong Project brings one of the first arcade video games back into the physical world through ingenious DIY engineering.

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How to make a lovely ring from a coin

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Over at MAKE, Shane Walton explains a neat technique for turning coins into beautiful rings. Instead of hammering the edge with a hammer, he suggests tapping it with a spoon... for hours.

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How to make a cheese ball machine gun from a leaf blower

Your old fashioned spud gun has got nothing on NightHawkinLight's cheese ball automatic assault blower.

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Florida man catches 400-pound Goliath Grouper fish with a wrench

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His tool of choice: a DIY wrench lure. It's a wrench, string, and two fishing hooks. With only this tool, Florida man Ryan Hein was able to reel in a 400-pound Goliath grouper while fishing in the St. Petersburg area.

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Mini wooden pallet coasters

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This anonymously posted guide shows how to make adorable little wooden coasters in the style of transport pallets. P.S. don't make things out of actual pallets unless they have the right stamp. Read the rest

Finger Ease is guitar string lubricant that smells nice

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I really like Finger Ease guitar string lubricant. While I doubt the spray does a thing for the sound of my strings, I find it allows me to play for quite a bit longer.

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Remote control for your facial expressions

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Alec Smecher built a wireless electronmechanical system that enables him to robotically raise and waggle his eyebrows via remote control. Because, you know, he could. From MAKE:

Beyond its obvious practicality, this project makes a great introduction to DC motor control, infrared remote control, and moving from working with an Arduino to working with the bare ATMega328 chip. These concepts are combined with some minimal extra circuitry.

The end result will be a great conversation piece, that is… if you don’t stab your eye with a toothpick. My implementation supports calibration, independent control of each eyebrow, and a 1- to 9-way waggle feature. Expressions vary from skeptical to shocked to very, very shocked.

"Strap a Robot to Your Face! Your Expressions Are Now Controlled by Technology" (MAKE)

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