The first time a real retractable plasma blade flared to life on camera, it looked less like a fan project and more like a ...

An Apple patent application published on Thursday describes a portable device with a flexible OLED screen capable of retracting into two hollow casings, suggesting the company is looking into ...

[Bill Hammack], aka the [EngineerGuy] is at it again, this time explaining how retractable ballpoint pens work. In this excellent video, he describes the simple (but remarkably sophisticated) ...