If you've ever sat opposite a doctor and wondered what she was scribbling on her notepad, the answer may soon not only be medical notes on your condition, but real-time chemical preparations for an instant diagnostic test.
It is impossible to see when the "lead" in a pencil cracks within the pencil, but an acoustic sensor can "hear" the change in the way the pencil vibrates. Now, researchers in China have reported in the International Journal ...
(Phys.org) —Sometimes solving a problem doesn't require a high-tech solution. Sometimes, you have to look no farther than your desktop.
IKEA pencils are better at marking out cuts in the bone for facial and head surgery than traditional felt tipped pens, say two surgeons in the Christmas issue published in the British Medical Journal today.