How Sunscreen Works (And Why You're Wrong About It)

Your skin shouldn't look like a package of pork cracklins after spending the day outdoors; that's why we invented sunscreen. However, there's a right way and a wrong way to slather on your protection—screw it up and you could get burned. » 5/21/13 3:25pm 5/21/13 3:25pm

This Ultraviolet Lamp Keeps Your Dishwasher Clean No Matter How Dirty…

There's a good chance your dishwasher fills with nasty, dirty dishes well before you get around to doing a load. And that breeds bacteria that can lead to an awful smell in your kitchen; a consequence of laziness that this UV disinfectant lamp promises to eliminate. » 4/22/13 5:40pm 4/22/13 5:40pm

Sunscreen Could Be Giving You Skin Cancer

If it's not one thing, it's another. While everybody knows that too much time in the sun massively increases the chances of developing skin cancer, new research suggests that a compound found in most sunscreens may also increase the chances of acquiring melanomas. » 5/08/12 9:12am 5/08/12 9:12am

Light Paint Can—Photographic Vandalism for Polite Society

Unless your name rhymes with "Anksy" or you've got the chops to do burners like this, you might want to consider a less...permanent means of expressing yourself in the public space. The Light Spray Can might just be the answer. » 11/11/11 2:20am 11/11/11 2:20am

This Beer Should be Product Placement for the Next Tron Movie

I don't even drink beer, but what I wouldn't give for one of these 3D-printed beer cases that were gifted to Heineken's stakeholders. With the bottle's label printed in UV-sensitive ink, it only figures that the case (3D-printed by Freedom of Creation) should have a UV light installed inside, activated once the case's… » 3/15/11 9:20am 3/15/11 9:20am

Researchers Have Created a UV Light That Kills Bacteria Without Harming…

It's widely known that ultraviolet light has bacteria killing properties. Unfortunately, its usefulness is limited since it also harms us. But now researchers have developed a high intensity, narrow spectrum wavelength that's safe enough to be used as lighting in hospitals. » 11/15/10 11:00pm 11/15/10 11:00pm

As if McDonald's Wasn't Dirty Enough, They're Now Spraying DNA On…

I'd like to know what's being stolen from this Dutch McDonald's. Coffee stirrers? Napkins? Toilet paper? This synthetic DNA spray intrigues me, though—not only does it "tag" crims, but when the button is pressed, it alerts police too. » 10/20/10 6:00am 10/20/10 6:00am

Forget Tsunamis: Asteroids Will Really Kill Us With UV Rays

If a medium-sized asteroid lands in the ocean, tsunamis won't be the only worry. Water vapor and sea salt thrown up by the impact could damage the ozone layer, leading to record levels of ultraviolet radiation that could threaten humanity. » 10/13/10 11:40am 10/13/10 11:40am

Polaroid Partners with RealD for New 3D Glasses Line

Polaroid is looking to get a piece of the three dimensional pie, inking a deal with 3D tech firm RealD. This means the next pair of 3D frames you pick up in a movie theater could be Polaroid's curved-lens design. » 8/18/10 10:40pm 8/18/10 10:40pm

SteriPEN Sidewinder Purifier Blasts Dirty Water With UV Rays

Fresh from this year's Outdoor Retailer expo comes SteriPEN's new Sidewinder portable water purifier. You can leave the batteries at home on your next trip, as the Sidewinder only needs a good cranking to power its germ-killing UV bulb. » 8/05/10 8:40pm 8/05/10 8:40pm

Ultraviolet Spotlight Reveals Oil Spill At Its Most Psychedelic

The oil disaster in the Gulf has produced some profoundly distressing imagery, from photographs of oil-soaked animals to satellite shots of the slick's sprawling tendrils. But these are a little bit different. » 7/27/10 9:40am 7/27/10 9:40am

Kill Gadget Germs Dead With Violight's Snake-Oil UV Light Sanitizer

From the same company that makes toothbrush sanitizers comes the gadget sanitizer—seen here rinsing an iPhone with UV light to kill all the nasty germs living on it. » 6/21/10 5:47am 6/21/10 5:47am

Pureray UV Baby Bottle Could Be a Baby Killer

I get it—a baby bottle with a built-in UV lamp for killing any germs that might be lurking in the formula. Parents would eat this up. But would it do more harm than good? » 10/16/09 7:40pm 10/16/09 7:40pm

Cole Cleaner Disinfects Your Disgusting Pop-Top Cans

I've never given it much thought, but looking at this Cole Cleaner UV pop-top disinfectant while I drink my un-sanitized Diet Dr. Pepper is giving me something of a hypochondriac panic attack. » 3/20/09 5:40pm 3/20/09 5:40pm

UV Razor Sanitizer Fights Off Nasty Bacteria You Picked Up Below the…

So, you use your razor to shave EVERYTHING on your body and now it's as sharp as the edge of a manila folder. Dull blades lead to cuts and cuts lead to mutant face fungus. » 1/27/09 3:40pm 1/27/09 3:40pm

10 Gadgets That Help You Survive in Cheap Hotel Rooms

Tomorrow I embark on a week-long vacation that will have me hiking up mountains, enjoying art and music and dining in fancy restaurants. Needless to say, I am looking forward to it. The only thing I am not 100% about is the hotel room. I've never stayed in this particular chain before and I got it at a great… » 9/26/08 4:00pm 9/26/08 4:00pm

UV Monitor Assures Extra Tasty Crispy Tanning

If you're like me, your skin boils in the presence of anything brighter than a 40W bulb. While my self-prescribed cave dwelling generally keeps me safe from the harsh glow of the sun, this UV monitor deals with those times we're forced to go outside by tracking solar radiation levels in real time. Enter the SPF on… » 6/16/08 12:04pm 6/16/08 12:04pm

Kids Invent Vanishing Nail Polish to Dodge School Rules

What would you do if your school's ban on makeup meant you couldn't show off your nail art? You'd get your chemistry set out and invent a new UV-reactive polish that was near-invisible indoors, but was bright and colorful when you're outside lessons, wouldn't you? Well, you would if you were a group of students in… » 3/24/08 12:15pm 3/24/08 12:15pm

Germ Guardian Air Sanitizer Scares You Well

We're not germophobes here at Gizmodo—not necessarily because we aren't afraid of tiny sickness-inducing attack—but because we're too lazy to dust let alone sterilize. But the Germ Guardian Air Sanitizer offers a lifestyle of sloth paranoia we could live with. Using UV-C rays (like similar models on the market), the… » 1/03/08 9:40am 1/03/08 9:40am