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כתבות אחרונות מאתר 'Phys'
Phys

California expands drought emergency to large swath of state‎

California Gov. Gavin Newsom on Monday expanded a drought emergency to a large swath of the nation's most populous state while seeking more than $6 billion in multiyear water spending as one of the warmest, driest springs on record threatens another severe wildfire season across the American West.

11:42
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Phys

1.4B but no more? China's population growth closer to zero‎

China's weak population growth is falling closer to zero as fewer couples have children, government data showed Tuesday, adding to strains on an aging society with a shrinking workforce.

11:42
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Phys

Mediterranean turtles recovering at different rates‎

Numbers of two Mediterranean turtle species have risen in the last three decades—but in Cyprus the recoveries are happening at different rates, new research shows.

11:04
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Phys

Turning virtual reality into an effective learning tool for classrooms‎

For Jaskirat Batra, the desire to pursue teaching was firmly cemented during childhood. Being a child of career educators, he was often immersed in the world of classrooms, chalkboards and textbooks. While deeply inspired by his parents, Batra's desire was always to go beyond conventional pedagogy. As a graduate student in the Department of Materials Science and Engineering at Texas A&M University, he has established a unique style of teaching that might revolutionize how engineering courses are taught in classrooms.

10:14
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Phys

Graphene key for novel hardware security‎

As more private data is stored and shared digitally, researchers are exploring new ways to protect data against attacks from bad actors. Current silicon technology exploits microscopic differences between computing components to create secure keys, but artificial intelligence (AI) techniques can be used to predict these keys and gain access to data. Now, Penn State researchers have designed a way to make the encrypted keys harder to crack.

10:14
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Phys

Rural school districts swifter to return to in-person instruction than urban districts‎

About 42% of rural school districts in the U.S. offered fully in-person instruction as of February, compared with only 17% for urban districts, according to a new RAND Corporation survey of school district leaders. The opposite pattern held for fully remote learning: 29% of urban districts offered fully remote instruction compared with 10% of rural districts and 18% of suburban districts.

09:43
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