MAGNETIC wood could be a major plank in the battle against noisy cellphone users.
The high-tech material absorbs microwave radio signals, making it impossible to use a mobile phone in any room lined with it. Or a radio for that matter. So theatres and restaurants, for example, can stop people using cellphones on their premises without resorting to signal jammers. These are illegal in some countries, including the US, Britain and Australia. Jammers also cause wider problems because their signals can spill out of the building they are covering, interfering with other people’s calls.
The magnetic wood – so called…
