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ekim68

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German ship completes historic Arctic expedition



The German Research Vessel Polarstern has sailed back into its home port after completing a remarkable expedition to the Arctic Ocean.

The ship spent a year in the polar north, much of it with its engines turned off so it could simply drift in the sea-ice.
The point was to study the Arctic climate and how it is changing

And expedition leader, Prof Markus Rex, returned with a warning. "The sea-ice is dying," he said.
 

ekim68

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Meet the zeptosecond, the shortest unit of time ever measured


Scientists have measured the shortest unit of time ever: the time it takes a light particle to cross a hydrogen molecule.

That time, for the record, is 247 zeptoseconds. A zeptosecond is a trillionth of a billionth of a second, or a decimal point followed by 20 zeroes and a 1. Previously, researchers had dipped into the realm of zeptoseconds; in 2016, researchers reporting in the journal Nature Physics used lasers to measure time in increments down to 850 zeptoseconds. This accuracy is a huge leap from the 1999 Nobel Prize-winning work that first measured time in femtoseconds, which are millionths of a billionths of seconds.
 

ekim68

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GM to invest more than $2 billion in U.S. manufacturing to increase electric vehicle production


is investing about $2.2 billion in its U.S. manufacturing operations, largely to increase production of electric vehicles, the company announced Tuesday.

The investment is the latest for the Detroit automaker as it pivots toward EVs under GM CEO Mary Barra’s “triple zero” vision of zero crashes, zero emissions and zero congestion -- an overarching goal for the company.
 

ekim68

Mike
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ekim68

Mike
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Messages
56,765

A massive spam attack is ruining public 'Among Us' games


Just days after US Representative Alexandria Ocasio-Cortez played Among Us to an audience of more than 435,000 viewers, InnerSloth, the developer of the popular multiplayer title, is struggling to contain a spam attack that is affecting most of the game’s community. The hack started to spread through the game’s userbase on Thursday evening. It causes players to spam their match’s text chat with messages that direct people to the YouTube and Discord channels of a person who goes by the pseudonym “Eris Loris,” threatening them if they don’t subscribe. For good measure, some of the messages also promote President Donald Trump’s 2020 campaign.
 

ekim68

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Fukushima water release could change human DNA, Greenpeace warns


Contaminated water that could soon be released into the sea from the Fukushima Daiichi nuclear power plant contains radioactive carbon with the potential to damage human DNA, environmental rights organization Greenpeace has warned.

The environmental group claims that the 1.23 million metric tons of water stored at the plant -- scene of the 2011 Fukushima Daiichi nuclear disaster -- contains "dangerous" levels of the radioactive isotope carbon-14 and other "hazardous" radionuclides, which it says will have "serious long-term consequences for communities and the environment" if the water is released into the Pacific Ocean.
 

ekim68

Mike
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Joined
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Messages
56,765

ekim68

Mike
Thread Starter
Joined
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56,765

Facebook Seeks Shutdown of NYU Research Project Into Political Ad Targeting


Facebook Inc. is demanding that a New York University research project cease collecting data about its political-ad targeting practices, setting up a fight with academics seeking to study the platform without the company's permission.

The dispute involves the NYU Ad Observatory, a project launched last month by the university's engineering school that has recruited more than 6,500 volunteers to use a specially designed browser extension to collect data about the political ads Facebook shows them.
 

ekim68

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US grid-battery costs dropped 70% over 3 years


In recent years, the cost of solar and wind energy has declined precipitously, which has accelerated the growth of these renewable energy technologies. Increasingly, utilities are now planning for a future grid dominated by solar and wind. That will require changes in grid management and transmission upgrades as well as the addition of storage to smooth out the supply from variable generators.

Grid storage is still pretty early days, but we’re already seeing huge cost reductions as the industry matures. The US Energy Information Administration (EIA) highlighted this recently, showing that grid-scale battery-project costs in the United States dropped 70 percent in just a few years.
 

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