Chiara Petrioli

There’s huge untapped potential in the blue parts of the planet. The Internet of Things won’t really have gone global until it can work in the sea, which covers two-thirds of the planet. For instance, there are many historical underwater sites that have yet to be discovered.

Did you know that whales can communicate with each other when they are divided by 3,000 miles of ocean, simply by sending their coded audio messages through sea water? Their choice of atmosphere conducts sound at five times the speed of our gaseous one, says Nick Booth.