3 ms·
It seems like with recent meta-material advances, you could create an object that was a hidden bug, without any hidden parts. Like if you tuned one of those met
by jchrisa 7y ago
It seems like with recent meta-material advances, you could create an object that was a hidden bug, without any hidden parts. Like if you tuned one of those metal concentric ring windchimes just right, it could modulate a radio signal based on acoustic vibrations.