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Absolute vs. relative efficiency: How efficient are blue LEDs, actually?

“The absolute internal quantum efficiency (IQE) of indium gallium nitride (InGaN) based blue light-emitting diodes (LEDs) at low temperatures is often assumed to be 100%. However, a new study from University of Illinois Urbana-Champaign Electrical and Computer Engineering researchers has …

Ankle exosuit for community walking aims to give post-stroke wearers more independence

“Robotic device for improving post-stroke gait could enable walkers to benefit during their daily routines. Every 40 seconds, someone in the United States has a stroke. According to the U.S. Centers for Disease Control and Prevention, that totals about …

California Senate passes ‘Right to Repair Act’

“The California state Senate passed Sen. Susan Eggman’s (Stockton) Right to Repair Act (SB 244) on Tuesday with a 38-0, bipartisan vote. It’s the furthest a Right to Repair bill has advanced in the state. The bill would …

Canon develops quantum dot OLED materials without rare metals

“Canon has developed a material for organic light-emitting diode (OLED) panels that does not use rare metals, Nikkei has learned. This move comes as the Japanese company aims to reduce its dependence on major rare metal producers such as those …

Charting the course to 100,000 qubits

“Our vision at IBM Quantum is to scale quantum processors to a size where they’re capable of solving the world’s most challenging problems. In order to get there, we’ve set our sights on a key milestone: a …

China begins drilling a 10-kilometer-deep hole in Earth’s crust

“The 10,000 meters deep borewell is being dug in the Tarim Basin, northwest China’s Xinjiang province, which has remained in headlines for holding Uyghur Muslims. By India Today Science Desk: China has initiated the digging of a 10-kilometer-deep …

China launches Shenzhou-16 mission to Chinese space station

“China sent three astronauts to its now fully operational space station as part of crew rotation on Tuesday in the fifth manned mission to the Chinese space outpost since 2021, state media reported. The spacecraft, Shenzhou-16, or “Divine Vessel”, and …

Crucial Unleashes World’s Fastest Gen5 Consumer NVMe SSD and Plug-and-Play High-Performance DRAM Options for Gamers, Creatives and Professionals

“The Crucial® T700 Gen5 SSD leverages Micron® 232-layer NAND to maximize performance and dependability, while Crucial Pro DRAM harnesses Intel® XMP and AMD EXPO® support and heat spreaders for great performance right out of the box Micron Technology, Inc. (Nasdaq …

Extracting a clean fuel from water

“A plentiful supply of clean energy is lurking in plain sight. It is the hydrogen we can extract from water (H2O) using renewable energy. Scientists are seeking low-cost methods for producing clean hydrogen from water to replace fossil fuels, as …

Forging a dream material with semiconductor quantum dots

“Researchers from the RIKEN Center for Emergent Matter Science and collaborators have succeeded in creating a “superlattice” of semiconductor quantum dots that can behave like a metal, potentially imparting exciting new properties to this popular class of materials. Semiconducting colloidal …