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​We think of Wi-Fi as bathing us in a comfy, invisible blanket of data and internet access, but just as a blanket can take on the shapes of the bodies it covers, the microwave radiation sent out from a hotspot can be used to generate a three-dimensional image of the surrounding environment.

The world's biggest X-ray laser has generated its first light in Hamburg, Germany. The 3.4 km (2.1 mi) long European XFEL produced a pulsing laser light with a wavelength of 0.8 nm at one pulse per second as part of the last major development milestone before its September official opening.

In every speaker is a membrane that physically vibrates to generate sound waves. But now, researchers have developed a speaker that doesn’t need to mechanically vibrate at all. Instead, a graphene membrane is heated and cooled with carefully controlled electric currents to create sound waves.

Sony has high-end DSLRs in its sights with the A9 mirrorless camera. But how does the new shooter stack up against the sort of cameras typically wielded by professional news and sports photographers? Here we compare the key features and specs of the A9 with Nikon’s D5 flagship.

Wheelies are typically fun, exhilarating stunts you do for laughs. This one was a gruelling feat of endurance and grit that left Japanese stunt rider Masaru Abe crying out in pain – but also the owner of a new world record for the longest wheelie in history: 500 kilometers, 13 hours.

Simulations suggested that the crowded TRAPPIST-1 system is due to come to a catastrophic climax in the next million years. But new research has found that TRAPPIST’s worlds orbit in what’s called a “resonant chain,” which keeps the system stable – and has been translated into a piece of music.

US company Proterra has gotten the Nevada authorities onboard for trials designed specifically to explore autonomous mass transit systems, placing its long-range electric buses on the streets of Reno. ​

After the Galaxy S8​ launched, some users complained about displays with red hues. Samsung recently issued an update that lets you manually tweak the screen's white balance – handy even if you didn't notice a red tint.

​When it comes to electronic devices that remind us to take our pills, we've already seen some relatively large dispensers that do the job. Pillsy, however, takes a different form. It consists of a regular-sized pill bottle with a "smart" cap, that communicates with an app on your smartphone.

Already considered one of the world's true off-roading and overlanding icons, the Toyota Land Cruiser is now also the world's fastest SUV ... well, kind of. The venerable utility vehicle has gone and hit 230 mph ... but it's not exactly a stock version.

Fifty seven percent of the world's population is currently without internet access. This was one of the statistics offered up by SpaceX's Patricia Cooper this week, as she fronted the US Senate to outline the company's plans to plug the gaps using a mesh network of internet-beaming satellites. ​​

​Four years ago, we heard about a neck-worn device that wirelessly transmits an alert if its wearer should happen to start drowning. Well, the Ploota takes things a step further – it actually deploys two airbags, to bring its user up to the surface.