It can detect signals at frequencies higher and lower than our own ears, too.
Continue reading… “Tiny ‘hearing’ device is 100,000 times thinner than your eardrum”
It can detect signals at frequencies higher and lower than our own ears, too.
Continue reading… “Tiny ‘hearing’ device is 100,000 times thinner than your eardrum”
Ultrasound machines can cost $20,000 or more and weigh 30 pounds, but not George K. Lewis’s ultrasound device. Lewis’s portable therapeutic ultrasound machine cost him about $150 to make — 80 percent of which was spent on the battery — it fits in the palm of his hand, and it can help treat cancer and relieve arthritis… among other things.
Continue reading… ““Groundbreaking” Portable Therapeutic Ultrasound System”