It will save on tin foil...............
“A new composite material developed by KIMS researchers absorbs over 99% of electromagnetic waves from different frequencies, improving the performance of devices like smartphones and wearables.”
99% = 20dB
Not terribly impressive.
Sounds more like a viable solution for protection of critical infrastructure against EMP attacks.
It will save on tin foil...............
Nope. And since doesn’t block “all” or do so very well, the title is grossly incorrect.
“Not terribly impressive.”
Name anything that even comes close to this. You can’t.