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Friday, 23 March 2012
Tuesday, 6 March 2012
Your heartbeat could keep your data safe
HAVING trouble remembering your password? Perhaps you need to use your heart instead of your head. An encryption system that uses the unique pattern of your heartbeat as a secret key could potentially be used to make a hard drive that will only decrypt in response to your touch.
Our heartbeats follow an irregular pattern that never quite repeats and that is unique to everyone. Chun-Liang Lin at the National Chung Hsing University in Taichung, Taiwan,...
Saturday, 3 March 2012
Capsule endoscopy
Capsule endoscopy is a way to record images of the digestive tract for use in medicine.
The capsule is the size and shape of a pill and contains a tiny camera.
After a patient swallows the capsule, it takes pictures of the inside
of the gastrointestinal tract. The primary use of capsule endoscopy...
