Tech

Hydrogen fuel cells are a greener way to power vehicles. But they have also been cost-prohibitive. Now that’s starting to change – last week, German passengers boarded the world’s first hydrogen-powered trains.   “Sure, buying a hydrogen train is somewhat more expensive than a diesel train,” said Stefan Schrank, a project manager at locomotive company
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A lot of military technology manages to be both awe-inspiring and vaguely terrifying, and so it is with the Molar Mic – this little microphone and speaker combination actually clips on to the wearer’s back teeth. It’s completely wireless and invisible to anyone else.   Despite its rather precarious position, the little device can pick
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Around 20 years ago, two computer scientists proposed a technique for teleporting a special quantum operation between two locations with the goal of making quantum computers more reliable.   Now a team of researchers from Yale University have successfully turned their idea into reality, demonstrating a practical approach to making this incredibly delicate form of
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A new form of misinformation is poised to spread through online communities as the 2018 midterm election campaigns heat up. Called “deepfakes” after the pseudonymous online account that popularized the technique – which may have chosen its name because the process uses a technical method called “deep learning” – these fake videos look very realistic.
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As the Pentagon reorients toward great-power competition with adversaries like Russia and China, its preparations go beyond learning to ski and practicing to drive across Europe.   US military units rely on wireless networks and radio-frequency communications to talk on the battlefield, sharing intelligence, targeting data, and orders. But concern is growing that rivals like
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If you’re watching a movie where an underwater submarine is communicating with an aeroplane, some creative licence is being taken – the sonar waves used by subs can’t reach the air, and radio waves used by planes don’t travel at all well underwater.   That’s always caused problems for communications between underwater and airborne vehicles,
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You probably use Wi-Fi on the regular to connect your smartphone, computer, or other electronic device to the glory of the world wide web. But soon, that same technology could also keep you safe in real-life public areas.   According to a peer-reviewed study led by researchers from Rutgers University-New Brunswick, ordinary Wi-Fi can effectively and cheaply
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Disney is making humanoid robots that can perform mind-boggling stunts in midair, according to TechCrunch. Disneyland parks have incorporated animatronics into their displays for decades, but with its new project, “Stuntronics,” Disney hopes to take performing robotics to the next level.   The project was born of a research experiment named “Stickman.” Stickman was a
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China has successfully tested a new hypersonic aircraft, a potential “hypersonic strike weapon” that could one day be capable of carrying multiple nuclear warheads and evading all existing defence networks like the US missile shields, according to Chinese state-run and state-affiliated media, citing experts and the domestic designers.   The Xingkong-2 (Starry Sky-2) hypersonic experimental
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Academics at Imperial Tech Foresight (ITF), an offshoot of Imperial College London, have been working to bring to life nebulous and intangible technological advances in a way you’ve never seen before.   They have created a table of disruptive tech, taking inspiration from the periodic table of chemical elements. It contains 100 innovations, ranging from
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The Chinese shipbuilder that’s constructing Beijing’s third aircraft carrier, Type 002, leaked an artist’s impression of that carrier on social media in late June that heightened intrigue about China’s naval ambitions before quickly taking it down.   The China Shipbuilding Industry Corporation photo showed the future Type 002 with a large flight deck that featured
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Artificial intelligence (AI) has the potential to save lives by predicting natural disasters, stopping human trafficking, and diagnosing deadly diseases. Unfortunately, it also has the potential to take lives.   Efforts to design lethal autonomous weapons – weapons that use AI to decide on their own whether or not to attempt to kill a person
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Star-shaped gold nanoparticles, coated with a semiconductor, can produce hydrogen from water over four times more efficiently than other methods – and could lead to better ways to store solar energy, a new study shows.   The discovery could also lead to other advances that could boost renewable energy use and fight climate change, researchers
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The internet isn’t your phone. It’s not Instagram, YouTube, or Netflix. Behind those apparitions, the internet is actually a sprawling matrix of hundreds of undersea data cables, criss-crossing the ocean for some 885,000 km (550,000 miles).   That’s where your Facebook and FOMO come from. But those hidden conduits aren’t just useful for relaying data
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Researchers from Montreal’s National Institute of Scientific Research (INRS) just published a study in Optica detailing a new approach to invisibility cloaking. Their device, called a spectral invisibility cloak, is the first to manipulate the color (or frequency) of the light waves that interact with an object, rendering it invisible.   “Our work represents a breakthrough in the
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