To highlight the seriousness of potable water shortage in some parts of Africa and Asia a group of tech-savvy Swedes have created a machine that turns perspiration into drinking water. Aptly named the “Sweat Machine” was inspired by technology used by NASA to recycle everything from human sweat to urine.

Developed by a team of engineers led by Andreas Hammar, the Sweat Machine works by extracting the perspiration, which is 99% water, out of people’s clothes. Sweaty garments are tossed into a dryer, where they are spun and squeezed for every last drop of liquid. The gathered sweat then gets heated, exposed to ultra-violet light and passed through a series of high-tech filters to remove the salt and bacteria. During the final stage of the purification process, the sweat goes through a coffee filter that retains any textile fibers left over from the clothes. The result is perfectly drinkable distilled water. Although the exact capacity of the dryer is yet unknown, the inventors say it takes a full load of sweaty shirts and shorts to produce a pint of potable water. Drinking your own and other people’s sweat sounds disgusting, but according to one brave sommelier, it actually has nice sweet taste.

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Accidents caused by drunk driving are a major problem  all around the world, and the city-state of Singapore is no exception. With over 2140 reported cases of drunk driving in the last 12 months, authorities are having problems dealing with the issue efficiently. Luckily, Zouk, one of the hottest nightclubs in South-East Asia seems to have come up with an ingenious way to thwart the dangerous practice.

Statistics show almost every drunk driver thinks he is sober enough to drive, but what if you could show them they are wrong and convince them to take a taxi home instead? That’s the idea behind Zouk’s pee analyzing urinals. The nightclub partnered with marketing agency DDB Group to create a unique system of identifying and testing drunk drivers that would discourage patrons from driving home intoxicated. They started by replacing the usual parking coupons with RFID (Radio Frequency Identification Device) cards which were exchanged with car keys by the club’s valets. Then they fitted every urinal with pee-analyzing gadgets that could detect alcohol in the urine and reset for every new user. The gadgets were connected to an RFID reader which identified drivers through their parking cards. If their alcohol level was above the legal limit, the card was tagged and a message was displayed above the urinal, telling them they’ve had too much to drink and advising them to call a cab or use Zouk’s drive home system.

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If you find headphones uncomfortable, or if you’re sick of always having to untangle their wires, you might want to take a cue from Rich Lee, a body-enhancement enthusiast who recently implanted a small magnet headphone directly into his ear.

Rich Lee is what’s known as a “bodyhacker” or “grinder”, a person who experiments with surgical implants or technological body-enhancements in order to expand human capacities. He was recently featured on Humanity+, a technology and science-focused magazine, for a unique type of implant. Lee had a small magnet embedded into his tragus, the small piece of cartilage directly outside the ear, and built a coil to be worn around the neck, which “creates a magnetic field causing the implant to vibrate and produce sound”. The audio quality is nowhere near as good as what you get from regular earbuds or headphones, but his system does have a series of advantages. He can listen to music anytime and anywhere he wants, and since the implant is invisible to the naked eye, he can do some pretty creative things with it. For example, he plans to hook it up to a directional microphone so he can hear what people around him are saying, and he argues it could come in-handy at a poker table or with pre-screen business clients.

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They are called Z Machinese and they are about to take the Japanese music world by storm. This unique rock band is made up entirely of futuristic automatons able to play guitar, drums and keyboards better than any human.

Z Machines is the brainchild of Yoichiro Kawaguchi, an IT professor at the University of Tokyo, and mechanical designer Naofumi Yonetsuka, who wanted to liven up the music scene by creating something futuristic and exciting. So they created Ashura, a six-armed drummer who can actually play 22 drums simultaneously and sounds like four people playing the drums at the same time, Mach, a metal-and-wire guitarist who uses 78 fingers and 12 picks allowing him to challenge even the most gifted human guitar players, and Cosmo, who is literally wired into his keyboard and shoots lasers from his eyes. Z Mazhines certainly sounds like a very impressive band, but can they really play a gig? They answered that question on Monday, when they teamed up with Japanese human duo Amoyamo, for an electrifying performance at one of Tokyo’s most popular night clubs.

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If you’re tired of setting up notifications on your gadget in the hope that you’ll finally be reminded about your wedding anniversary on time, rejoice, because things are about to get a lot easier. The Remember Ring is a concept wedding ring that heats up 24 hours before the big day, letting you know it’s time to prepare a nice surprise for the wife.

Are you mad at yourself for never being able to remember your wedding anniversary? Do you wish that just once you could do something nice for your partner on your important day? You’re in luck, because you’d have to be suffering from Alzheimer’s not to remember it with the aptly named Remember Ring from Alaska Jewelry. The useful accessory looks like an ordinary wedding ring but is fitted with Hot Spot technology that makes it heat up to 120 degrees Fahrenheit on the day before the anniversary, making it impossible to ignore by the wearer. Every hour, the gadget gets hotter and hotter for 10 seconds, until it reaches peak temperature, reminding you the big days is just around the corner. The Rember Ring is fitted with a battery-charged micro-chip clock that converts the heat from your hand into electricity, which means it will never run out of power. “Using a micro thermopile, The Remember Ring converts the heat from your hand into electricity, keeping the battery charged and microchip clock running perpetually,” its makers say.

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Tao Xiangli, a 37-year-old inventor from Beijing, China, has spent over 150,000 yuan ($25,000) and more than 11 months building a functional robot made of scrap parts and wires bought from second-hand markets.

In China, Tao Xiangli is known as a DIY genius, with a collection of amazing home-made creations under his belt. Three years ago, he made headlines in international media after building a submarine all by himself, and today he’s back to with another impressive achievement – a 496lb (225kg) robot he pieced together in his small Beijing apartment. “He’s ugly, but he’s kind of awesome,” Tao said about the  2.1-meter-tall metal behemoth  that can apparently perform simple movements and even mimic human actions by using infrared rays. It can turn its neck, raise its legs and even shake hands at the flick of a switch on the board located on its back. Instead of crating a humanoid casing for his robot, Tao Xiangli decided to leave it “naked”so viewers could see every one of the over 110 scrap parts and 3,000 lengths of wiring required to make it work. To make it easier on the eyes, the young Chinese inventor fitted his robots with strips of bright neon cabling.

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Thor’s hammer is one of the coolest weapons in the superhero universe. Called Mjolnir, it can summon lightning, crush through pretty much anything and help the Norse god fly. No wonder Caleb from Hack A Day wanted one for himself.

But the gifted builder wasn’t looking for yet another simple prop that looked like Thor’s hammer, he wanted something that actually produced bolts of lightning. Armed with his own DIY superpowers, Caleb Kraft set out to create a foam replica of Mjolnir and sought the help of battery-powered Tesla coil maker Staci Elan, who provided a tiny but effective device able to produce 80,000 volts of electricity. Caleb says he had to make a choice: “I was either going to go portable and live with small arcs, or make this a stationary piece and hide a giant Tesla coil in a base. It would have bigger arcs, but I couldn’t carry it around.” In the end, he opted for the portable version, fitting his light but realistic looking hammer with a a small 12v powered coil. It creates 3″ arcs when going to another piece of metal, and can power on light bulbs if you hold them close to the hammer. Nowhere near as cool as the real Thor’s powers, but pretty awesome for a mere mortal, wouldn’t you say?

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If you’re looking to buy the world’s toughest watch, you might want to take a look at the Kaventsmann Triggerfish Bronze A2. This little timepiece has been pressure tested to 300 bar (that’s 3000 meters of water pressure), blown up with 10 pounds of C4, and survived to tick another day.

Kaventsmann Uhren is a one-man business run by Michael Barahona Fernandez, who creates all of the watch case parts by hand, in his Berlin workshop. It’s a time consuming process, so only a few of these solid watches go on sale each month. For his Triggerfish Bronze A2 model, the watchmaker used shock-resistant CuSn8 phosphor-bronze, the same material bridge load bearing plates are made of, stainless steel for the detachable back cap, and a 10 mm domed polycarbonate crystal. The finished watch measures 45 mm wide and 20 mm tall, and is a bit heavier than conventional wristwatches, but that’s to be expected, considering its extreme durability. After confirming the timepiece can resist water pressure of up to 300 bar, Fernandez enlisted the help of U.S. Special Forces for the ultimate test – his KAVENTSMANN Triggerfish Bronze A2 against the blast generated by 10 pounds of C4 plastic explosive.

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Finding the right song to suit your mood can be pretty frustrating, but thanks to the new Mico mind-reading headphones from Japanese company Neurowear, you won’t have to scroll through your playlist anymore. They’ll just scan your brain and play the perfect song.

The Mico mind-reading system is made up of two parts: a pair of bulky headphones and an iPhone app. The headphones come with a forehead sensor that analyzes the user’s brainwaves to detect his mood, then connects to the Mico database via the iPhone application and selects the song that best fits his current state, from a number of neuro-tagged tunes. If your mood changes, and you feel the song isn’t appropriate anymore, all you have to do is shake the phone to clear collected data and have the sensor scan your brain again. Neurowear’s revolutionary headphones also come with built-in LED indicators that display your mood through icons to everyone around you. Right now, they have an exclamation mark for when you’re focused, a “zzz” sign for when you’re feeling drowsy, and a cross icon for when you’re stressed.

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First there was journaling, then came blogging, vlogging and even microblogging. The latest in the trend of recording life experiences is Lifelogging – recording every little thing that goes on in your life through pictures. As if people sharing mind-numbingly mundane pictures of things like what they ate and where they slept wasn’t enough, modern lifelogging devices actually help people take continuous photographs and videos of every single moment of their day.

So capturing only the special times of your life – like weddings, birthdays or your child being born – is fast becoming a thing of the past. With lifelogging, it’s just like downloading your entire life, minute by minute, and storing it on your computer. A master file, if you will, that you can always refer back to, to remember exactly what happened in the past. According to the fans of this practice, lifelogging helps them create what they call a perfect digital archive. This can be accessed any time, so they are able to recall things like where they left their car keys or remember a cherished moment in great detail. These lifeloggers capture their daily routine through pictures or video and store them on the internet. Some of them also record patterns of their mood, sleep, exercise and diet. A handful of users have also broadcast their lives online for everyone to see, and most say that they want to create as many data streams about themselves as possible, so the data can be collated and analyzed, leading to new insights and revelations about their lives. It’s especially helpful to those who are interested in health and fitness.

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Remember those liquid metal Terminators from the Arnold Schwarzenegger movies? What if I told you that kind of material isn’t just the fruit of someone’s sci-fi imagination, but a real metal? It’s called Gallium and it has some pretty cool properties.

So what makes gallium so special? Well, first of all, the brittle metal has a melting point of just  29.76 °C (85.57 °F), so if you hold it in your hand long enough it will become liquid. That alone is pretty cool, but this rare metal has a few other amazing properties. For example, it “attacks” other metals, like aluminum. As you’re about to see in one of the videos below, just a drop of liquid gallium weakens the structure of a Coke can to the point where it can be pierced with the slight press of the thumb. Gallium infiltrates the aluminum structure, compromising its integrity and making the can feel like tin foil instead of metal. Another interesting experiment involving gallium is called the “beating heart”, in which the amazing element is made to look like an alien life form. When submerged in sulfuric acid and a dichromate solution, gallium looks like an organic beating heart, due to the gallium sulfate which increases surface tension.

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Researchers in Peru have teamed up with an ad agency to provide a viable solution to the problem of potable water shortage in Lima, the world’s second-largest city in the world. Their  creation is a s simple as it is ingenious – a billboard that turns air humidity into drinking water.

Located northern edge of the Atacama, the driest desert in the world, the city of Lima and its surrounding villages get around 0.51 inches of precipitation per year. For a long time, the capital city has relied on drainage from the Andes mountains and runoff from melted glaciers for its potable water needs, but due to climate change, the water supply from both sources is on the decline. Out of the 8.5 million people living in Lima, 1.2 million lack running water completely and have to either draw water from wells, which is known to be polluted, or rely on unregulated private-company water trucks, which charge u to 20 time the normal price of tap water. Aware of this dire problem, Lima’s University of Engineering and Technology started looking for a way to solve the problem and, at the same time, draw the attention of applicants for 2013. Inspired by the fact that the city’s average air humidity is about 83%, due to its location along the Southern Pacific Ocean, UTEC partnered with advertising agency Mayo DraftFCB to create an eye-catching billboard that produces water out of thin air.

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Tired of waking up very late and missing his university lectures, Indian student Sankalp Sinha decided to do something about his problem – he invented a special alarm clock that “rewards” the owner with an electric shock if he tries to press the snooze button.

19-year-old Sankalp Sinha came up with the idea for his shocking alarm clock a couple of years ago, when he was having trouble getting up in the morning to attend university classes. He had developed a habit of hitting the snooze button and going back to sleep, so he started thinking about a solution that would force him out of bed. A student of automobile engineering at Sharda University in Uttar Pradesh, India, Sinha came up with an idea for an alarm clock that administers a small electric shock via the very popular snooze button. “The shock it administers is harmless but is enough to energize you”, the young inventor says, adding that users will be able to adjust how strong the electric shock they get is. He added that the power of his Good Morning Sing N Shock clock will be a fraction of the 50,000 volts delivered by the standard Taser gun. Pretty weak, but you want the thing to wake you up, not put you to sleep, right?

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Compressorhead is not your usual heavy-metal rock group. The band’s three members are all robots, but they’ve proven they can cover hits by rock legends like Motorhead or AC/DC honorably. They’re even scheduled to play alongside The Chili Peppers and The Killers, at the Big Day Out Festival, in Australia, this summer.

Assembling, cooking, waiting tables, even horse riding; robots have proven capable of doing all of these jobs, but until now, musicians seemed like they had nothing to fear. Well, not anymore – introducing Compressorhead, a rock band made up of three real metal heads: Fingers, Bones and Stickboy. They are robots that can be programmed to cover hits by pretty much any rock group that ever existed, but so far they seem to prefer heavyweights like Black Sabbath, Pantera or Led Zeppelin. They’re a bit lacking in the creative department, but I’m sure they’ll improve on that as they go along. The robot group hail from Germany and hope to conquer human kind with their music, instead of Terminator-like force. Let’s meet the boys:

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Don’t you hate it when total strangers invade your personal space by getting a little too close for comfort? By wearing the high-tech Spider Dress you can now send them a message in the shape of a creepy artificial spider leg pressing against their body.

Netherlands-based designer Anouk Wipprecht has designed one of the scariest garments I have ever seen. Aptly-called the Spider Dress, this piece of wearable design features animatronic arachnid limbs that react to external stimuli, in this case – nearby movement. When someone gets to close the wearer, the creepy spider legs start dancing on the shoulder pads, pushing the person away. You might just give them a heart-attack, but you’ll finally be able to enjoy your personal space in however crowded a space. Created in collaboration software engineer and hacker Daniel Schatzmayr, the Spider Dress’ robotic components use sensors to detect when someone gets too close. The scary tech-fashion design was showcased last November, at the VIVE LE ROBOTS / Cafe Neue Romance in Prague, during the EU Robotics week

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