Why would you push this snake oil? The cellular/wifi signal is the source of radiation and the source of connectivity. Block the signal (to any degree) and your phone is just going to ramp up power to compensate. This is a wash at best, or the situation might get worse. Either way, you are definitely wasting power.

Why would you push this snake oil? The cellular/wifi signal is the source of radiation and the source of…

Chance is the most delightful fucking person in the world.

God bless Steven Gibson. He is a computer hero.