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Summary: Researchers explain how deep neural networks are able to learn complex physics.

Source: Rice University.

One of the oldest tools in computational physics — a 200-year-old mathematical technique known as Fourier analysis — can reveal crucial information about how a form of artificial intelligence called a deep neural network learns to perform tasks involving complex physics like climate and turbulence modeling, according to a new study.

Researchers from UNSW Sydney have analyzed millions of satellite photos to observe changes in beaches across the Pacific Ocean. The findings, published in Nature Geoscience today (Feb. 10), reveal for the first time how coastlines respond to different phases of the El-Niño-Southern Oscillation (ENSO) cycle.

ENSO is a natural climate phenomenon that causes variations in sea surface temperatures over the Pacific Ocean. The warming phase, known as El Niño, and the cooling phase, known as La Niña, affect weather patterns across different coastlines depending on the cycle.

Continue reading “Beach erosion: Satellites reveal how climate cycles impact coastlines” »

Proto is betting that companies will view their 7-foot-tall holographic projection boxes as an alternative for in-person meetings. At least a half-dozen startups and giants like Google and Microsoft already are.

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Continue reading “Are Holograms the Next Zoom?” »

(https://www.timothywittig.com/) is a conservationist, professor, and former defense intelligence analyst. He is a research fellow at Oxford University (Oxford Martin School), an associate fellow at the Royal United Services Institute (RUSI) in London, and has served as Head of Intelligence for both the Royal Foundation’s United for Wildlife Transport and Financial Taskforces (https://unitedforwildlife.org/), and the wildlife investigations charity Focused Conservation.

Dr. Wittig has lived in 8 countries on 3 continents and worked in nearly 50 different countries. His professional background is in research & development and applied sciences, intelligence-led targeting of illicit financial networks, and African and global security.

Continue reading “Dr. Tim Wittig, Ph.D. — Applying Data & Intelligence To Defeat Global Wildlife Trafficking” »

New geological dating system could show when glaciers retreated.

But competitor to the tried-and-true lightning rod is ungodly expensive.

New information about an emerging technique that could track microplastics from space has been uncovered by researchers at the University of Michigan. It turns out that satellites are best at spotting soapy or oily residue, and microplastics appear to tag along with that residue.

Microplastics—tiny flecks that can ride ocean currents hundreds or thousands of miles from their point of entry—can harm sea life and marine ecosystems, and they’re extremely difficult to track and clean up. However, a 2021 discovery raised the hope that satellites could offer day-by-day timelines of where microplastics enter the water, how they move and where they tend to collect, for prevention and clean-up efforts.

Continue reading “Tracking ocean microplastics from space” »

Five hundred million years before the dawn of dinosaurs, strange animals ruled a frozen planet.

Here is something new from Earth’s interiors.

A team of researchers at the University of Texas at Austin (UTA) has found a new layer under Earth’s crust called “melt,” according to a press release. It comprises hot molten rocks and reveals useful insights about our planet’s tectonic plate activity.

Interestingly, these plates are constantly moving, and their movement is linked to the occurrence of earthquakes, tsunamis, and volcanic eruptions. Moreover, tectonic motion is so powerful; that it could also lead to the formation of new mountain ranges and even new continents.

Continue reading “Melt: Scientists discover a new molten layer under Earth’s crust” »