Uber Eats starts robot deliveries in Tokyo
"Caution: robot!" chirps the green self-driving delivery vehicle as it trundles down the street to a pork cutlet restaurant in Tokyo to pick up a meal ordered on Uber Eats.
Mar 5, 2024
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Business
News tagged with electric lighting
Energy & Green Tech
Advanced full-color image sensor technology enables simultaneous energy harvesting and imaging
Organic-based optoelectronic technology is increasingly recognized as an energy-efficient solution for low-power indoor electronics and wireless IoT sensors. This is largely due to its superior flexibility and light weight ...
Jan 25, 2024
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Energy & Green Tech
Artificial 'power plants' harness energy from wind and rain
Fake plants are moving into the 21st century. Researchers developed literal "power plants"—tiny, leaf-shaped generators that create electricity from a blowing breeze or falling raindrops—and described them in ACS Sustainable ...
Jan 17, 2024
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Engineering
Research enhances stability and efficiency of perovskite solar cells
A research team has achieved notable advancements in the stability and efficiency of perovskite solar cells. Their work not only paves the way for the commercialization of perovskite solar cells (PSCs), but also offers significant ...
Jan 10, 2024
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Energy & Green Tech
COP28: Why energy efficiency matters so much
If we are to save the planet, we are going to have to use energy far more efficiently.
Dec 1, 2023
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Electronics & Semiconductors
Researchers look to the human eye to boost computer vision efficiency
Conventional silicon architecture has taken computer vision a long way, but Purdue University researchers are developing an alternative path—taking a cue from nature—that they say is the foundation of an artificial retina. ...
Nov 29, 2023
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Energy & Green Tech
Making electric vehicles last: Team develops polymer binder to extend dual-ion battery lifespan
In the realm of electric vehicles, powered by stored electric energy, the key lies in rechargeable batteries capable of enduring multiple charge cycles. Lithium-ion batteries have been the poster child for this application. ...
Nov 2, 2023
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Energy & Green Tech
Developing batteries with 10 times the energy storage
To meet the rising global demand for electric vehicles, we need new and improved batteries. One promising candidate are all-solid-state lithium sulfur batteries. They can store nearly 10 times the amount of energy as traditional ...
Oct 31, 2023
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74
Electronics & Semiconductors
Organic dyes accelerate transport of buffered solar energy for significantly more efficient solar cells
The sun sends enormous amounts of energy to the earth. Nevertheless, some of it is lost in solar cells. This is an obstacle in the use of organic solar cells, especially for those viable in innovative applications. A key ...
Sep 26, 2023
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Energy & Green Tech
Researchers propose a novel liquid filter for enhanced solar energy utilization
Photovoltaic (PV) modules are devices that convert sunlight into electrical energy. However, they suffer from a low conversion efficiency of around 20% because they can only convert near-infrared wavelengths into electricity, ...
Sep 21, 2023
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