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Pumping 20,000 Volts Into a Watermelon Ends as Spectacularly as You’d Hope

Unlike a battery, which stores power as chemical energy that’s slowly and steadily discharged to keep your gadgets running, a capacitor can unload all of its juice in the blink of an eye. Even a small capacitor has the potential to stop your heart, but when it’s the size of a dishwasher, well, this watermelon demonstrates exactly how destructive it can be. Read More >>

laptops
A Supercapacitor Stylus is The Best Thing About Lenovo’s New Laptops

Lenovo has announced a couple of new Thinkpad Yoga convertible laptops at IFA. Mostly, they’ve got the kind of upgrades you’d expect: thinner, faster, lighter. But as it happens, the most exciting thing is the decades-old tech powering the Yoga’s new Wacom stylus. Read More >>

energy
What are Capacitors and Will They Really Charge Your Phone in Seconds?

Your phone died. Again. In these scenarios, who among us has not dreamed the dream of a future where our devices charge instantly and last forever. As capacitors—or even more exciting, ultracapacitors—get better and better at storing energy, they could replace batteries and realise at least one half of that dream. Read More >>

Graphene
science
How Graphene Could Transform the Gadgets of the Future

Graphene doesn't need any introduction: it's the super material to beat 'em all. But this beautiful video demonstrates how it could transform the future of the gadgets you use everyday. Read More >>