How to turn off an Apple wireless keyboard

Do you own an Apple wireless keyboard and want to turn it off, but aren't sure how to do it? It's simple: just press the power button on the right side and hold it for a few seconds until the green light goes out. The keyboard is then turned off.

Tiago and the Oculus Rift VR headset

My son is visiting our lab today. He had lot's of fun trying our prototypes. Here he is wearing the Oculus Rift virtual reality headset.