The Metaura Pro claims to be the world’s first wearable air-conditioning device capable of constantly blowing cold air to keep the wearer cool.

Conventional wearable cooling systems only circulate ambient air, and thus don’t do a very good job of cooling people down. The Metaura Pro, on the other hand, allegedly relies on a portable cooling solution to produce genuinely cold air that is 7 degrees Fahrenheit cooler than that of the ambient, in fan mode, and up to 18 degrees Fahrenheit cooler than ambient air, in cooling mode. The device has a dedicated app and relies on artificial intelligence to regulate air temperature.

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Inspired by Harry Potter’s iconic invisibility cloak, these real-life invisibility shields can make anyone who hides behind them disappear into thin air.

Invisibility Shield Co. is a UK-based startup that has been working on an affordable invisibility mechanism for over two years. The company recently revealed a line of invisibility shields that rely on surprisingly simple technology to make users invisible to the naked eye. Apparently, the shield uses a “precision-engineered lens array” to deflect light from the subject sitting behind the shield away from the observer. The lenses are oriented vertically to allow light from the subject to diffuse when it passes through the shield. The light from the subject’s background is refracted towards the observer who cannot see the subject hiding behind the shield.

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Creating meat literally out of thin air sounds like technology you’d only expect to see in sci-fi movies, but according to Air Protein, it’s very real and viable.

Air Protein, the startup behind the air-based meat project, was co-founded by Dr. Lisa Dyson, an award-winning research physicist and strategy consultant, with the goal of producing meat alternatives. Such plant-based meat alternatives like Impossible Foods or Beyond Meat are all the rage these days and touted as the sustainable future of the meat industry, but Air Protein is taking sustainability to a whole new level with its air-sourced proteins. They are basically relying on a bunch of microbes capable of converting CO2 into amino-acids, with the final product being a protein-based flour that can be used to make a bunch of meatless products.

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It’s no secret that non-alcoholic beer tastes much worse than regular lager, but scientists in Denmark now claim to have developed a way of making it taste just as satisfying.

When making alcohol-free beer, either by heating it up or by minimizing fermentation, what is lost is the complex aroma of the hops. However, after decades of having to put with the flat and watery taste of non-alcoholic beer, we can now enjoy the satisfying taste of the real thing, minus the alcohol. Researchers led by Sotirios Kampranis, a professor at the University of Copenhagen, engineered a species of yeast called Saccharomyces cerevisiae to produce a group of molecules called monoterpenoids, which are found in hops.

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When it comes to dairy alternatives, we already have a lot of “milks” to choose from, but the latest alternative could prove to be a game-changer due to how available and cheap its main ingredient is.

Potato milk doesn’t sound like the most delicious thing in the world, but then again, neither does oat milk or soy milk and look how popular they turned out to be. Not to mention that this new dairy alternative is apparently “deliciously creamy” and works great for homemade lattes and cappuccinos. Plus, the humble potato uses a lot less land and resources than other plants that are currently used for milk, which makes both the vegetable and the milk more affordable.

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A new type of South Korean face mask that only covers the wearer’s nose has been getting a lot of attention from the western press lately.

Called ‘kosk” –  a combination of ‘ko’, the Korean word for nose, and ‘mask’ – the unusual face mask sold by South Korean company Atman consists of two parts, one of which can be removed to leave the wearer’s mouth exposed. They are apparently designed to provide some level of protection against Covid while eating, but can also be worn in nose-only mode at any time. Kosk is just one of the nose-only face masks available in South Korea these days, and the unusual trend has sparked some controversy in the western world, with many declaring the facial accessories utterly useless.

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A team of Japanese high-school students recently won a regional innovation competition with a high-tech device that divides cake and pizza into equal portions every single time.

It’s a problem as old as the world – cutting a round treat into more than two equal parts. You either end up with portions that are not exactly the same size, or you’re left with a smaller extra slice that everyone has their eye on. Well, thanks to the ingenuity of a group of Japanese students from Kundong High School in Japan’s Oita Prefecture, dividing a cake or a pizza into perfectly equal portions need no longer be an issue. They have created a high-tech device that calculates the angle at which the tasty treat needs to be cut, depending on the number of necessary slices.

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Researchers in China claim to have developed an advanced AI that is reportedly capable of identifying crimes and filing charges against those suspected of committing them.

There is no denying that advancements in artificial intelligence are being made at breakneck speeds and that many of us will one day lose our jobs to a tireless machine, but I doubt anyone imagined prosecutors would find their jobs threatened by machines anytime soon. And yet, if Chinese researchers are to be believed, there is already an AI system that can replace human prosecutors “to a certain extent” and file a charge with over 97 percent accuracy, based on a description of a suspected criminal case.

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Japan recently unveiled the world’s first Dual-Mode Vehicle (DMV), a contraption that runs both on roads, like a bus, and on rails, like a train.

The unique bus-train hybrid was unveiled last month, in the town of Kaiyo, Japan’s Tokushima Prefecture. The mini-bus-like contraption didn’t win anyone over with its looks, but it definitely made an impression in terms of practicality. It runs with normal rubber tires on the road, but when it needs to switch to train mode, a pair of metal wheels drop down from the vehicle’s underbelly. The front tires are lifted off of the track, while the rear wheels stay down to propel the vehicle. Switching between road and train modes takes only about 15 seconds.

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A Japanese professor has created a prototype lickable TV screen that can reportedly imitate the taste of various foods.

Dubbed Taste the TV (TTTV), the prototype was developed by Homei Miyashita, a professor at the prestigious Meiji University in Japan, as a step towards a true multisensory viewing experience. The Intriguing device uses a carousel of 10 flavor canisters that are sprayed in combination to create the taste of a particular food. The cocktail then rolls onto hygienic film over a flat TV screen, and the viewer can sample it. Miyashita believes that this technology can help people connect and interact even over long distances.

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When it comes to telling when someone is lying, we currently have very few options, but a team of Israeli researchers claims to have come up with something better than anything we’ve seen before.

Using stickers printed on soft surfaces containing electrodes that monitor and measure the activity of muscles and nerves, a team of researchers led by Prof. Dino Levy from Tel Aviv University, discovered that some people involuntarily activate muscles in their cheeks and eyebrows when they lie. No sensors had been able to measure these subtle muscle contractions before, but the innovative ones invented by Prof. Yael Hanein and sold by Israeli company X-trodes proved sensitive enough. Tests revealed a 73% success rate of lie identification, better than any existing technology.

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A Polish robotics engineer recently posted a series of intriguing videos of what looks like a dextrous android arm powered by synthetic muscles.

Łukasz Koźlik, who goes under the moniker Automaton Robotics online, is a talented robotics engineer from Poland who has spent the last few years creating an incredible synthetic muscle arm that moves eerily like a human one. A firm believer in the idea that muscle mimicry is the key to fast, efficient, and affordable robots, Łukasz has been building on the concept of McKibben muscle, or pneumatic artificial muscles, creating a synthetic muscular system that allows robots to move their fingers and palms in a similar way to humans.

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According to a recently published scientific paper, a team of researchers has developed a wood processing technique that makes the material 23 times harder, making it possible to create sharp wooden knives and nails.

Material scientists at the University of Maryland have reportedly developed a type of hardened wood that can be used as a sustainable alternative to materials like steel and ceramics. To demonstrate the toughness of their chemically-treated wood, the team created a knife that is allegedly nearly three times sharper than a stainless-steel dinner table knife, as well as a wooden nail that can be hammered through wood without sustaining any damage, and that isn’t affected by rust.

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If you’re looking for an unusual and extremely expensive way of dealing with small pests, like cockroaches, may we recommend the world’s smallest working revolver?

The Swiss Mini Gun holds the Guinness World Record for the smallest functioning revolver in the world. It measures 5.5 cm long, 3.5 cm tall and 1 cm wide, weighing only 19.8g. It’s so easy to conceal that countries like the United States and the United Kingdom have made the Swiss Mini Gun illegal to import. But while its reduced size may be unusual, this tiny firearm has all the same features as a normal-sized double-action revolver. Its manufacturing was only possible by employing techniques used in the Swiss watchmaking and jewelry industries.

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Gijs Schalkx, a Dutch inventor and engineering student, modified his motorcycle to run on methane harvested from roadside bogs and ponds.

Aptly named Sloot Motor (sloot means ‘ditch’ in Dutch), Gijs Schalkx’s ingenious vehicle features a modified Honda GX160 motorcycle engine, with a hole into the airbox, through which it receives the methane. The bright inventor than hooks a balloon filled with methane to the hole, which acts as the fuel tank. The engine still starts with gasoline, but once it starts, it uses the methane to keep going. But what truly makes Gijs’ project special is the fact that he manually harvests the methane himself from roadside swamps and ponds, a labor that takes approximately eight hours. The methane only lasts 12 miles at a top speed of 27mph.

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