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JmGO sent us an early unit of its latest projector. We've spent the past couple of weeks kicking back and catching some cord-free flicks on the JmGO View.

Researchers have used defective apples to produce a cheap and high-performance electrode for a sodium-ion battery, with applications including grid storage, portable electronics and electric cars.

With the exception of electric mountain bikes, most e-bikes tend to be fairly conservative-looking things. We do say "most," however, as the BestiaNera Sport is certainly a head-turner. It's also one of the world's lightest electrics, tipping the scales at just 9.8 kg (21.6 lb).

​Along with the usual flying drones, there are also models that can both fly and float. As is the case with its feathered namesake, however, the Loon Copter can fly, land on the water to see what's under the surface, and then dive down to check out what it sees.​

Deep Space Industries (DSI) has announced a successful test by two autonomous Canadian satellites, which carried out the first orbital maneuver without human supervision.

Razor has announced its latest Crazy Cart, and this one is designed to make drifting even easier than previous models. The Crazy Cart Shift makes a number of changes which will enable younger drivers to achieve serious drifts, including an 8 mph (13 km/h) max speed.

Taylor has developed a new health monitoring system for its guitars. Similar to fitness trackers like the Tickr X or Garmin's Vivosmart, TaylorSense keeps track of an instrument's well-being and sends status updates and alerts to a companion app running on a Bluetooth-connected smartphone.

The latest LED lamp takes a different approach by removing a critical component. The Lumir C is designed without any external power supply, operating off of a single candle instead.

One way of adding extra functionality to smartwatches is to build it into third-party straps, and the TYLT VÜ Pulse is one of the first officially approved Pebble smartstraps to break cover. It adds integrated heart rate monitoring, wireless charging and a custom app for logging the new data.

Each year Ferrari lovers – along with some of the rarest Ferraris ever seen – flock to Palm Beach, Florida, for a five-day celebration of the Ferrari brand. It's called the Cavallino Classic.

Razor has created an electric-powered version of its RipStik caster board which is able to carve along at 10 mph (16 km/h). We recently had the chance to try one out ahead of its release later this year.

Anyone who's dealing with the current snowstorm in the US will know that clearing snow is hard work and futile if there's another dump. The University of Nebraska-Lincoln's Chris Tuan may have put an end to the need to shovel snow, however. His conductive concrete simply melts any snow that lands.