Energy & Green Tech

Controlling lithium metal deposits using different metal substrates

(Tech Xplore)—Cell phones, laptops, and other electronic devices that have rechargeable batteries use lithium ion batteries. Lithium batteries have a high energy density. Fewer cells are needed to power a device, which ...


Wristband detects and alerts for seizures, monitors stress

People with epilepsy suffer from recurrent, unprovoked seizures that can cause injury and even death from "sudden unexpected death in epilepsy" (SUDEP), a condition that occurs minutes after a seizure ends.

Computer Sciences

Researchers create a new database for V sign biometric

Videos of beheadings. The victim can be seen, kneeling, ready to die. The face and body of the man standing with knife poised is covered; his identity cannot be seen. A research team from Jordan have completed a study of ...