Charge Your Phone as You Pedal

This BikeCharge Dynamo thing looks pretty cool, but I wonder if the wire that comes with the iPhone is long enough? Are Android mobile cords long enough for this? Features: Fits any spoked wheel. Charges any USB powered device. All-in-one design with bike light and power generator integrated in a stylish body. 3W 5.0V DC output. […]


QR Codes Under Threat From New Tech

Korean researchers say they’ve found a way to produce an alternative to QR codes that takes up less space, carries far more data, yet costs very little. The solution involves a rectenna, which takes its name from ‘rectifying antenna’ rather than rectangular. It’s effectively a tiny AC/DC converter that works with microwave energy. The idea […]