OPENING the thick, posh envelope with an embossed school logo in her council house, single mum Sophie Goffin was shaking and unable to catch her breath.  This was no ordinary mail delivery.

Once upon a time, many radios and TVs only came with a single (mono) speaker. Then someone decided all audio hardware should have as many speakers as we have ears. That was until [Olivia] came ...

Curious Scientist] has been working with some image sensors. The latest project around it is a 6K camera. Of course, the sensor gives you a lot of it, but it also requires some off-the-shelf ...