Headlines

Sea urchin spines inspire self-powered underwater sensors

Nature does it again! The natural world has a knack for giving us the blueprints for some useful technologies, and the humble sea urchin is the latest contributor. Scientists have designed a new class of smart sensors by mimicking the internal architecture found in their spines.

CNBC Lays Off Small Number of Editorial Employees

CNBC laid off less than a dozen editorial employees as the Versant-backed cable network reviews its structure under a new editor in chief, David Cho. Among those who will depart because of the reorganization is Jeffrey McCracken, managing editor of CNBC’s digital-news venues,

Elizebeth Smith Friedman: The Codebreaker

The details of Elizebeth Smith Friedman’s remarkable career sound a bit outlandish when you list them all together: cracked thousands of codes and ciphers during WWI did the same in WWII, helping to foil Nazi spy rings and protect Allied supply ships chief cryptanalyst for

Rydberg atoms detect clear signals from a handheld radio

For the first time, a team of US researchers has used sensors containing highly excited Rydberg atoms to detect signals from an ordinary handheld radio. Through a careful approach to demodulating the incoming signals, Noah Schlossberger and colleagues at the National Institute