Engineering

New solar cells set world record efficiency: 24%

Scientists have developed a tandem solar cell that reaches 24 percent efficiency. This sets a new world record as the highest efficiency achieved so far...

Scientists make world’s first LED lights from rice husks

Milling rice to separate the grain from the husks produces about 100 million tons of rice husk waste globally each year. Scientists searching for a...

This robotic gripper could grab items with feeling

The notion of a large metallic robot that speaks in monotone and moves in lumbering, deliberate steps is somewhat hard to shake. But practitioners in...

This heat engine with no moving parts is as efficient as a steam turbine

Engineers at MIT and the National Renewable Energy Laboratory (NREL) have designed a heat engine with no moving parts. Their new demonstrations show that it...

This recyclable pollen paper can print on and “unprint”

Scientists at Nanyang Technological University have developed a pollen-based "paper" that, after being printed on, can be "erased" and reused multiple times without any...

Giant space telescopes could be made out of liquid

The Hubble space telescope has a primary mirror of 2.4 meters. The Nancy Grace Roman telescope has one at 2.4 meters and the James Webb...

Stanford researchers develop solar cells that could keep working at night

About 750 million people in the world do not have access to electricity at night. Solar cells provide power during the day, but saving energy...

Cornell engineers pave the way for next-gen deep ultraviolet lasers

Engineers have created a deep-ultraviolet laser using semiconductor materials. This shows great promise for improving the use of ultraviolet light for sterilizing medical tools, purifying...

This new footwear may prevent diabetic foot ulcers

Scientists from The University of Texas at Arlington have developed footwear technology that relieves pressure on areas of the feet that experience high stress...

This new sensor could revolutionize COVID-19 testing

A COVID-19 sensor developed at Johns Hopkins University could revolutionize virus testing by adding accuracy and speed to a process that frustrated many during...