SoundWave – Using the Doppler Effect to sense Gestures

Do Kinect-like things on your computer, but without the Kinect: the technique uses your speakers and microphone to sense what gesture you are making. Called SoundWave, the new technology uses the Doppler effect to detect any movements and gestures in the proximity of a computer. The Doppler effect, if you remember high school physics, is …

Opera Mobile Emulator with support for (some) -webkit vendor prefixes

Opera, along with Mozilla, announced at a CSS Working Group meeting that we would support some -webkit prefixes. This is because through our site compatibility work, we have experienced that many authors of (especially mobile) sites only use -webkit prefixed CSS, thereby ignoring other vendor prefixes and not even including an unprefixed equivalent. This leads …