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The tanning devices here may not be perceived as light therapy devices, but the concept of sun bathing morphed from scientific and quasi scientific light treatments at the end of the 19th century, where people would immerse themselves in light baths – hence the term sun bathing.Abuse of sun bathing as recreation has created a backlash, masking its genuine benefits in moderation and how it is perceived has obviously changed over time, as witnessed by my favorite item here which shows four congressmen in suits bathing in the light shower baths of the Turkish baths of the House of Representatives.

12 light therapy devices

Football kit (American football), has changed dramatically over a relatively short history, such that early football helmets look positively medieval and the latest anti-concussion helmets are fully fledged gadgets in their own right.The first football helmet designs were soft shell lattices that resemble those still worn by rugby players. Unlike rugby, however, contact can be made when you don’t have possession of the ball, so helmets became progressively more robust and elaborate. Around the 1920s helmets were clearly inspired by Roman army ones, only made of soft leather and occasionally with full face-masks. These ‘executioner’ helmets are the most sought after collectors items, today.The first metal face masks appeared in the 30s although they did not become commonplace until the 50s, when the modern helmet took shape, eventually becoming a hard plastic or composite shell.

12 football helmet designs

Electric tattoo machines are based on a modified version of an engraving device invented by Edison, which had a 2 coil vibrating mechanism similar to an old fashioned electric doorbell. Samuel O’Reilly added a needle and ink reservoir to this to create a dedicated tattoo device in the 1890s.The particularly fascinating thing about these items is how their design has evolved towards the Victorian retro technology aesthetic that has now become fashionable elsewhere, however the beautiful machines designed by designers like Bernhard outclass many of the products design labeled Steampunk.The Bernhard machines are so magnificent, they warrant a list all of their own.

tattoo machines

I started this list as a Thanksgiving homage to American innovation via its greatest inventor. Reading more about Edison and his strange obsession with things like filming electrocutions, using alternating current, of everything from small animals to people and even an elephant, just to try and put people off the rival AC system, managed to put me off him. So as an act of revenge here are some of his less successful, stranger inventions from concrete phonographs to what became the tattoo machine and a ghost detection instrument. Happy Thanksgiving anyway.

9 Strange Edison Inventions

These are possibly the most impressive gadgets on earth, beautifully complicated, polished stainless steel instruments that employ electron, x-ray, and ion probes, often in combination with depth profiling techniques, for surface analysis. They are the instruments featured on the covers of science lab and university brochures and are exactly what I want for my birthday. Vote for your faves.

12 ultra complex surface analysis systems

Although making a 3d image is more dramatic than increasing its resolution, say, the technology is fairly primitive. Because of this, stereo cameras are something of an interesting retro curiosity. These days, custom made stereo cameras with twin lenses at eye separation are usually replaced by custom rigs for digital cameras, with appropriate software.

stereo cameras

Until very recently, dental surgery appears to have been carried out with carpentry equipment. In fact, quite literally, since early dental drills were adapted from woodworking equipment. Here are some of our favorites ranging from the beautiful to the macabre.

12 vicious vintage dental tools

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12 Creative Uses of a GoPro

April 23rd, 2012 #link

Aside from the POV Parkour here, non of these videos involve super human skills, Spidey Senses or Red Bull addiction. I actually prefer the seemingly bland but interesting ones such as strapping a GoPro to a dog, hula hoop, time lapse of the view out of a commercial flight or RC car in Walmart to endless surfing videos