Home decoration and technology doesn’t usually sit well together, but here’s an idea from boffins at the University of Tokyo who have come up with an aluminium-iron oxide paint that can absorb the electromagnetic waves at frequencies typically used by Wi-Fi.

In other words, painting your walls with this stuff could stop your wireless signal from leaking into neighbouring houses.

Interesting concept, but surely it would be much simpler to install some basic security on the wireless router?…