Your favorite hip-hop artist could save a life someday — or at least control a person’s bladder — through the power of heavy bass beats, according to new research. Acoustic waves from rap music shudder through your body with ease, and can readily power a new implantable medical device.
Tests for toxins or pathogens generally rely on chemical reactions. But a team of researchers at Cornell University have created a sensor that detects the presence of chemicals based on the mechanical disruption of a nanoscale system. The device can instantly detect as little as a single molecule of a substance.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.