Sweat could power battery-free health trackers of tomorrow

Many of us now keep tabs on how we’re doing by wearing health and fitness trackers like those from Fitbit, which run on batteries that need charging. Researchers from Caltech have developed an electronic skin that can be packed with sensors, and that’s… Continue reading Sweat could power battery-free health trackers of tomorrow

UPS delivery truck wirelessly charged over 11-inch gap

Back in 2016, the US Department of Energy’s Oak Ridge National Laboratory developed a 20-kW wireless charger for electric vehicles with a reported 90 percent efficiency. That was for passenger EVs, and now researchers have successfully tested a system … Continue reading UPS delivery truck wirelessly charged over 11-inch gap

Razer unveils gaming ultrabook with world’s fastest 13.3-inch display

Razer has unveiled the latest update to its Blade Stealth 13 ultraportable gaming machine. As before, there are Full HD and 4K display options, with the former being treated to a competition-beating 120-Hz refresh rate.Continue ReadingCategory: Laptops… Continue reading Razer unveils gaming ultrabook with world’s fastest 13.3-inch display

Vanmoof rides out with more affordable, tech-packed city ebikes

Dutch bike maker Vanmoof has today officially launched its next generation ebikes, aimed at getting city folks out and about on two wheels – once COVID-19 lockdown restrictions are lifted.Continue ReadingCategory: Bicycles, TransportTags: VANMOOF, ebik… Continue reading Vanmoof rides out with more affordable, tech-packed city ebikes

Semi-transparent solar cells could rival rooftop solar for efficiency

Windows capable of harvesting energy from the sun have been on the horizon for a number of years, but they’re yet to help cut down a building’s energy costs. A new development from Australian researchers may change that.Continue ReadingCategory: Energy… Continue reading Semi-transparent solar cells could rival rooftop solar for efficiency

Skin cream ingredient brings stability to aqueous Li-ion battery

Researchers out of the Chinese University of Hong Kong have used a water soluble polymer commonly found in skin cream as a stabilizing agent for an aqueous lithium-ion battery, keeping costs and toxicity low and creating a stable voltage for common usa… Continue reading Skin cream ingredient brings stability to aqueous Li-ion battery

Annobike aims to make urban or off-road ebiking fun with the A1

Electric bikes come in all shapes and sizes, from commute-friendly folders to retro cruisers to city workhorses. Startup Annobike has entered the ebike arena with a design that’s equally suited to urban streets and off-road adventures.Continue ReadingC… Continue reading Annobike aims to make urban or off-road ebiking fun with the A1

U-Boat Worx launches lightest submersible ever built

Dutch submersible maker U-Boat Worx has pumped out a number of underwater explorers since launching in 2005, and has now unveiled what’s claimed to be the lightest manned submersible ever built. The Nemo can be towed on a trailer by car for launch from… Continue reading U-Boat Worx launches lightest submersible ever built