Consumer & Gadgets
A group of about 20 tech-savvy engineers and programmers gathered Saturday afternoon at a Philadelphia bookstore to celebrate the installation of an old-fashioned public pay phone.
Dec 21, 2022
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35
Energy & Green Tech
Thermoelectric generators (TEG) are devices that can convert temperature gradients to electricity. Such devices are extremely useful for generating electricity for remote sensors that cannot be connected to the main electricity ...
Mar 9, 2023
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62
Business
Taken as a share of the market price, the environmental costs of mining the digital cryptocurrency Bitcoin are more comparable to the climate damages of producing beef than gold mining costs, according to analysis published ...
Sep 29, 2022
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119
Electronics & Semiconductors
A water-activated disposable paper battery is presented in a proof-of-principle study in Scientific Reports. The authors suggest that it could be used to power a wide range of low-power, single-use disposable electronics—such ...
Jul 28, 2022
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267
Electronics & Semiconductors
A recent United Nations report found that the world generated 137 billion pounds of electronic waste in 2022, an 82% increase from 2010. Yet less than a quarter of 2022's e-waste was recycled. While many things impede a sustainable ...
Apr 26, 2024
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50
Engineering
Filtration membranes are critical to a wide variety of industries around the world. Made of materials as varied as cellulose, graphene, and nylon, they serve as the barriers that turn seawater into drinking water, separate ...
May 11, 2021
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30
Energy & Green Tech
At cruising altitude, airplanes emit a steady stream of nitrogen oxides into the atmosphere, where the chemicals can linger to produce ozone and fine particulates. Nitrogen oxides, or NOx, are a major source of air pollution ...
Jan 14, 2021
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81
Energy & Green Tech
The application of modern carbon capture technologies that limit emissions associated with the production of blue hydrogen can play a crucial role in its success as a 'bridging technology' in the energy transition.
Dec 2, 2021
2
50
Energy & Green Tech
A new study by researchers at University of Limerick in Ireland has revealed a sustainable method of efficiently converting waste heat into electricity using Irish wood products, while minimizing costs and environmental impact.
Feb 13, 2024
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116
Software
Software designers developing IT systems for streaming, shopping and online banking could use the first formula that factors in CO2 emissions at the drawing board.
Oct 7, 2022
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60
