A team of forensic researchers from the Metropolitan Police in London, claim to be able to accurately timestamp any audio recording—using just the background electrical hum present in any digital recording. Read More >>

If you often find yourself lacking wireless signal, there may soon be a simple solution. Scientists have developed a spray-on coating that can boost your phone's reception, make your home amplify signals instead of attenuating them, or even turn a tree into a transmitter. Read More >>