Petrified wood is one of the most sought-after materials in the world for both its aesthetic value and its scientific value.

OK, so it’s not actually a futuristic tool with the same capabilities as the one off the hit TV series Dr. Who, but this homemade “sonic screwdriver” is a multifunction device that’s ...

If that baby goes off, all life in every parallel universe will be wiped ... but we CAN give you all the tools you need to make your own Sonic Screwdriver, get to the bottom of the Dalek's plot ...