Tech

UN Climate Report: Carbon Removal Is Now "Essential"

UN Climate Report: Carbon Removal Is Now “Essential”

Reducing emissions that would quickly require a breakneck transition to new technologies, as well as a sharp reduction in energy demand. That would require unprecedented changes in human behavior and efficiencies, all of which “would be quite challenging in the real world,” said Zeke Hausfather, a contributor to a previous working group for the latest …

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The download: This startup aims to spark a molecular electronics revival

The download: This startup aims to spark a molecular electronics revival

This is today’s edition of The Download† our weekday newsletter that gives a daily dose of what’s going on in the world of technology. This startup wants to kick-start a molecular electronics revival In 2000, many hoped that molecular electronics (which use single molecules to make circuits and components) would bypass the silicon-based circuitry, so …

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This startup wants to kick-start a molecular electronics revival

This startup wants to kick-start a molecular electronics revival

“It’s a great concept. I think it’s way too late for chip manufacturers to do anything for us in the life sciences,” said Nils Walter, a chemist at the University of Michigan and co-founder of aLight Sciences, a company that is also developing single molecules as biosensors, in addition to the approach is to use …

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Why using the oceans to suck up CO2 may not be as easy as hoped

Why using the oceans to suck up CO2 may not be as easy as hoped

Researchers at the GEOMAR Helmholtz Center for Ocean Research in Germany recently dissolved fine-grained sand composed mainly of olivine in artificial seawater. Over a period of 134 days, they found that the alkalinity of the water actually decreased. These and other factors reduced the amount of carbon removed by a factor of five compared to …

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What is the nuclear risk in Ukraine?  Radiation expert Vadim Chumak speaks from Kiev about his fears.

What is the nuclear risk in Ukraine? Radiation expert Vadim Chumak speaks from Kiev about his fears.

Hospitals have been bombed in Ukraine. Do the radioactive materials in those buildings pose a risk? It is something that we have to take into account, because in this war many unthinkable things have become reality. There are two medical radiation sources. One is machines, such as X-ray machines or linear accelerators, which are used …

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A hot spot for oil drilling in the US is emitting far more methane than we thought

A hot spot for oil drilling in the US is emitting far more methane than we thought

The aircraft taking measurements was able to cover about 100 times more sites than previous ground surveys. By flying over active wells and pipelines in the New Mexico portion of the basin, the plane detected 1,985 plumes of methane in 15 months. In addition to discovering higher levels of methane leakage than expected, the study …

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Chatbots could one day replace search engines.  Here's why that's a terrible idea.

Chatbots could one day replace search engines. Here’s why that’s a terrible idea.

Bender is not against the use of language models for question-answer exchange in all cases. She has a Google Assistant in her kitchen, which she uses to convert units of measurement in a recipe. “There are times when it’s super convenient to be able to use speech to access information,” she says. But Shah and …

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