Engineering

Solar cells as light as a soap bubble

Solar cells as light as a soap bubble

Imagine solar cells so thin, flexible, and lightweight that they could be placed on almost any material or surface, including your hat, shirt, or...
Silicon nanowires put electronics inside your cells

Silicon nanowires put electronics inside your cells

Humans have long dreamed of melding electronics and machines with the body, but this usually trends toward the realm of science fiction: computer chips...
New simulation software improves helicopter pilot training

Realistic training for extreme flight conditions

Missions at sea, in mountainous regions or close to skyscrapers are extremely risky for helicopter pilots. The turbulent air flows near oil rigs, ships,...
3D-printed heart-on-a-chip

First 3D-printed heart-on-a-chip with integrated sensors

Harvard University researchers have made the first entirely 3D-printed organ-on-a-chip with integrated sensing. Built by a fully automated, digital manufacturing procedure, the 3D-printed heart-on-a-chip can...
From ancient fossils to future cars

From ancient fossils to future cars

Researchers at the University of California, Riverside’s Bourns College of Engineering have developed an inexpensive, energy-efficient way to create silicon-based anodes for lithium-ion batteries...
Air-bag helmet

Air-bag helmet could reduce impact of head in bike crashes

Drop tests from as high as 2 meters show that an air-bag helmet may reduce impact by as much as sixfold compared to traditional...
Building better batteries

Building better batteries

Lithium-ion batteries, widely used in devices ranging from electric cars to iPhones, are composed of a cathode made from a positively charged lithium compound...
What drives decisions by autonomous vehicles in dire situations

What drives decisions by autonomous vehicles in dire situations?

Despite dramatic reductions in accident-related fatalities, injuries and damages, as well as significant improvements in transportation efficiency and safety, consumers aren't as excited about...
Autonomous trucks that drive in packs could save time and fuel, says MIT study

Autonomous trucks that drive in packs could save time and fuel, says MIT study

As driverless cars merge into our transportation system in the coming years, some researchers believe autonomous vehicles may save fuel by trailing each other...
Starfish larvae create complex water whorls to eat and run

Starfish larvae create complex water whorls to eat and run

Peek into a tide pool along the shore and you may see a starfish clinging quietly to a rock. But that secure adulthood comes...