This homebrew camera lens is made from a glass puck and some construction paper

Kevin LeeContributor, TechHive

Kevin is a small-time tech hound, amateur photographer, and a general know-at-least-something of all things geeky hailing from New York.
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Cormac Relf

Photography lenses can easily be really expensive. So if you’ve got an awesome camera body lying around but no glass to go with it, you could always try and build a lens of your own like photographer and student Cormac Relf did.

DIYer Cormac built his lens out of a glass reading puck—which your grandparents might have lying around as a magnifying glass for reading tiny print—along with some construction paper and pieces of cardboard.

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This guy made a working robot out of home appliances

Kevin LeeContributor, TechHive

Kevin is a small-time tech hound, amateur photographer, and a general know-at-least-something of all things geeky hailing from New York.
More by Kevin Lee

Mark Haywood

Having a robot human companion isn’t just a dream anymore. For most people, there's just one fat check separating you from your ASIMO. But one retired Baltimore cop named Mark Haywood skipped the long trip to the bank and just built the dream himself.

HEX is a real humanoid robot that stands about four feet and three inches tall that Mark built out of all kinds of household appliances. HEX isn’t just a looker, either; it’s got fully functional hands, arms, and legs.

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Test your speed and stamina against a rodent on the Hamster Treadmill

Elizabeth FishContributor, TechHive

Elizabeth Fish is a freelance writer who happens to run a hyperlocal news website in Lincoln, UK. She also covers all things geeky for TechHive.
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You think that you’re as fast and agile as they come just because you work out at the gym a few times a week? Maybe you need to test your skill against a hamster. Really.

The Hamster Treadmill is Daniel Bertner’s very geeky art project that consists of a hamster cage fitted with a wheel, along with a typical treadmill. The hamster wheel connects to the treadmill via an infrared-based tachometer, which measures the hamster wheel's revolutions per minute (RPM) in real time.

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DIY 'Karma Controller' makes it easier than ever to waste your time on Reddit

Cassandra KhawContributor, TechHive

Cassandra Khaw is an entry-level audiophile, a street dancer, a person who writes about video games for a living, and someone who spends too much time on Twitter.
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William Wnekowicz

If you've never been to Reddit, you probably shouldn't start now. This modern-day bulletin board system, filled to the brim with advice animals and exhibitionists, will suck hours out of your life. Here, people 'upvote' good threads, consign bad ones to 'downvote' hell and engage in comment-wars. It's a hard life here in Reddit, which is why you should totally get a Karma Controller and simplify everything even further.

Maybe. Sort of? I don't know. Regardless of personal opinions, the Karma Controller is very much real. The Karma Controller's creator, William Wnekowicz of Will Make Things, describes it as something that will let you 'procrastinate on Reddit more productively'.

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Scientists harvest electricity from plants, let bloggers make awful 'power plant' puns

Kevin LeeContributor, TechHive

Kevin is a small-time tech hound, amateur photographer, and a general know-at-least-something of all things geeky hailing from New York.
More by Kevin Lee

When it comes to creating clean, self-sustaining energy, nothing can beat plants—and that’s precisely why researchers at the University of Georgia (UGA) have worked so hard to hijack photosynthesis to create truly clean electricity.

Talk about green energy. Get it? It’s a “solar plant!”

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This wooden record lets you listen to Radiohead the low-tech way

Joshua SchnellContributor, TechHive

Joshua covers a wide array of gadgetry for TechHive. He is also the editor in chief for Macgasm.net.
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Amanda Ghassaei

TechHive intern and beard maven Albert Filice has been playing around with a 3D printer and managed to make a 3D-printed necktie. As impressive as this is, it looks like he may have some competition.

Artist Amanda Ghassaei managed to take a digital copy of a song and laser etch it into a slab of maple, thereby creating a wooden record. By etching Radiohead's "Idioteque", and the Velvet Underground's "Sunday Morning" into the wood using Python, a PDF, and a lot of math, Ghassaei may have unintentionally created sustainable music.

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Researchers develop an app to help the blind take better photos

Kevin LeeContributor, TechHive

Kevin is a small-time tech hound, amateur photographer, and a general know-at-least-something of all things geeky hailing from New York.
More by Kevin Lee

A team of researchers led by PhD student Dustin Adams at the University of California, Santa Cruz have created camera app that might help the blind take photos. No, we’re not just talking about “bad photographers,” but those who are actually visually impaired.

The camera app brings several features that make it easier for the visually impaired to take photos. For example, it replaces the somewhat hard-to-locate shutter button with a swiping motion on the screen, making it easier to snap a photograph.

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