Battery-free nano-sensors could pave the way for next-generation wearables

Nano-sensors that work without batteries or wires could pave the way for more comfortable, less obtrusive sleep and health ...
New Scientist on MSN

Bird retinas work without oxygen, and now scientists know how

The light-sensitive tissue of birds’ eyes is not supplied with oxygen by blood vessels – instead, it powers itself with a ...
WJBF

Why Is My Check Engine Light On?

A vehicle’s Check Engine light can turn any car ride into a harrowing experience. As soon as the check engine light illuminates, it’s hard not to hear the cha-ching sound of a ...
EDN

Sensing and power-generation circuits for a batteryless mobile PM2.5 monitoring system

Tommy Liu builds a vehicle-mounted particulate matter monitoring system powered from harvested wind energy and an integrated ...
Interesting Engineering on MSN

Sugar-powered sight? 400-year eye mystery behind birds’ oxygen-free vision solved

Biologists have finally solved a centuries-old mystery regarding how birds maintain sharp eyesight despite ...
Heart

Innovations in cardiac device therapy in the era of advanced rhythm management: implantable defibrillators and conduction system pacing

Cardiac device therapy has significantly evolved since the introduction of the first implantable pacemaker and the subsequent ...
Mashable

The iPhone 8 might be able to read your face even if you're not holding it

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