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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.

First edition books sell for more at auction, so it's logical that the first of any limited availability product will do likewise. The first of any car always draws a premium and the first Ferrari 275 GTB/4 will draw considerable interest when it goes to auction on May 18.

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.

​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.

Compared to cancer, influenza may sound harmless but as various reports have shown, it can be fatal, even for the healthy. A swift diagnosis can make all the difference and scientists have come up with an easy and novel way to spot the virus: a glow test.​

In the past we've seen experimental one-off canes that detected obstacles via ultrasound, or which allowed their users to locate people that they know. While the iCane can't do either of those things, it is possibly headed for production – and it does still have some handy tricks up its sleeve.