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Top News In விஞ்ஞானிகள் இல் வாஷிங்டன் பல்கலைக்கழகம் பள்ளி ஆஃப் மருந்து Today - Breaking & Trending Today

Studying plankton with a digital holographic camera will help ecology

Date Time
Studying plankton with a digital holographic camera will help ecology
Scientists from the Laboratory of Radiophysical and Optical Methods for Studying the Environment (TSU Faculty of Radiophysics) have found a way to determine the pollution of water bodies by studying plankton. The main tool is a digital holographic camera, which, placed in the water, can determine the size and shape of plankton and other particles, their speed, the number of individuals, and other parameters. Conclusions about the state of the reservoir and its biological diversity can be drawn from the data obtained.
– To record a hologram, you need to pass a laser beam through the volume of the medium and register it on a charge-coupled-device (CCD) camera. This will be the axial hologram of this volume of the medium, – explained Viktor Dyomin, TSU First Vice-Rector, head of the laboratory. – It differs from ordinary photography in that we can completely restore information about t ....

Mariy El , Aleksey Olshukov , Siberian Sea , Akademik Mstislav Keldysh , Alexandra Davydova , Viktor Dyomin , Russian Academy Of Sciences , Laboratory Of Radiophysical , Stockholm University , Tomsk State University , Optical Methods , East Siberian , Russian Academy , Pacific Oceanological Institute , Far Eastern Center , East Siberian Sea , Global Warming , Power Plant , Micro Algae , Crude Oil , சைபீரியன் கடல் , அலெக்சாண்ட்ரா டேவிடோவா , ரஷ்ய கலைக்கழகம் ஆஃப் அறிவியல் , ஸ்டாக்‌ஹோல்ம் பல்கலைக்கழகம் , ஒளியியல் முறைகள் , கிழக்கு சைபீரியன் ,

New unmanned robotic for RRS Sir David Attenborough

In the next decade to century, our ability to predict sea level change is limited by our lack of understanding of critical processes at the boundary. ....

United Kingdom , David Attenborough , Pierre Dutrieux , Iain Williams , Marine Autonomous Research Systems , Natural Environment Research Council , British Antarctic , British Antarctic Survey , Global Ocean Observing Systems , Autonomous Research Systems , Strategic Partnerships , World Class Labs , Responsible Business Statement , Sustainability Strategy , Capital Call , Carbon Footprint , Research Council , Climate Change , Climate Model , Water Quality , ஒன்றுபட்டது கிஂக்டம் , டேவிட் அட்டன்பரோ , இயேந் வில்லியம்ஸ் , கடல் தன்னாட்சி ஆராய்ச்சி அமைப்புகள் , இயற்கை சூழல் ஆராய்ச்சி சபை , பிரிட்டிஷ் அண்டார்டிக் ,

'Hinged' atomic structures open door to next-gen solar power materials

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‘Hinged’ atomic structures open door to next-gen solar power materials
Neutron scattering data on the “hinged” atomic structure in an inorganic perovskite material could help scientists optimize other materials’ solar power storage and delivery properties. Credit: Jill Hemman/ORNL, U.S. Dept. of Energy
Most solar power is produced by converting sunlight into electricity through the use of thin films made of semiconductor materials that absorb particles of light, called photons. These absorbed photons knock electrons loose from atoms in the thin film, and the free electrons are then channeled into an electrical current.
However, even the most popular semiconductor materials, such as crystalline silicon, have limits on how much electrical current they can produce-because the electrons don’t stay free for very long before they recombine with atoms in the film. The materials also need to be highly stable to withstand the heat, humidity, and other ....

Tyson Lanigan Atkins , Olivier Delaire , Materials Science Department At Duke University , Department Of Energy , Neutron Research , National Institute Of Standards , Technology Center , Oak Ridge National Laboratory , Office Of Science , Argonne National Laboratory , Northwestern University , Duke University , Nature Materials , Mechanical Engineering , Materials Science Department , Neutron Source , National Institute , Solar Power , டைசன் லானிகன் அட்கின்ஸ் , பொருட்கள் அறிவியல் துறை இல் டியூக் பல்கலைக்கழகம் , துறை ஆஃப் ஆற்றல் , நியூட்ரான் ஆராய்ச்சி , தேசிய நிறுவனம் ஆஃப் தரநிலைகள் , தொழில்நுட்பம் மையம் , ஓக் ரிட்ஜ் தேசிய ஆய்வகம் , அலுவலகம் ஆஃப் அறிவியல் ,

U scientists plumb depths of world's tallest geyser

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U scientists plumb depths of world’s tallest geyser
When Steamboat Geyser, the world’s tallest, started erupting again in 2018 in Yellowstone National Park after decades of relative silence, it raised a few tantalizing scientific questions. Why is it so tall? Why is it erupting again now? And what can we learn about it before it goes quiet again?
The University of Utah has been studying the geology and seismology of Yellowstone and its unique features for decades, so U scientists were ready to jump at the opportunity to get an unprecedented look at the workings of Steamboat Geyser. Their findings provide a picture of the depth of the geyser as well as a redefinition of a long-assumed relationship between the geyser and a nearby spring. The findings are published in the Journal of Geophysical Research. ....

Mei Wu , Jamie Farrell , Chi Lin , Yellowstone National Park , National Park Service , Journal Of Geophysical Research , University Of Utah , Department Of Geology , Steamboat Geyser , Old Faithful , Fan Chi Lin , Utah Seismograph , Because Cistern Spring , Cistern Spring , The Rock , National Park , மெய் வு , ஜேமி ஃப்யாரெல் , சி லின் , மஞ்சள் கல் தேசிய பூங்கா , தேசிய பூங்கா சேவை , இதழ் ஆஃப் புவி இயற்பியல் ஆராய்ச்சி , பல்கலைக்கழகம் ஆஃப் உட்டா , துறை ஆஃப் புவியியல் , நீராவி படகு கீசர் , பழையது உண்மையுள்ள ,

Giant Space Telescope Submerged Thousands of Feet Below World's Deepest Lake

Giant Space Telescope Submerged Thousands of Feet Below World s Deepest Lake
AFP
15 MARCH 2021
Russian scientists on Saturday launched one of the world s biggest underwater space telescopes to peer deep into the Universe from the pristine waters of Lake Baikal.
The deep underwater telescope, which has been under construction since 2015, is designed to observe neutrinos, the smallest particles currently known.

Dubbed Baikal-GVD, the telescope was submerged to a depth of 750-1,300 meters (2,500-4,300 feet), around four kilometers from the lake s shore.
Baikal-GVD being lowered into the water. (Kirill Shipitsin/Sputnik Kirill Shipitsin/Sputnik/AFP)
Neutrinos are very hard to detect and water is an effective medium for doing so. ....

Czech Republic , Bair Shoibonov , Dmitry Naumov , Kirill Shipitsin , Ice Cube , Institute For Nuclear Research , Bair Shaibonov Russian Institute For Nuclear Research , Gigaton Volume Detector , Sputnik Kirill , Joint Institute , Nuclear Research , Russian Institute , South Pole , Northern Hemisphere , Lake Baikal , Amp Quot , செக் குடியரசு , பனி கன , நிறுவனம் க்கு அணு ஆராய்ச்சி , கூட்டு நிறுவனம் , அணு ஆராய்ச்சி , ரஷ்ய நிறுவனம் , தெற்கு போலே , வடக்கு அரைக்கோளம் , ஏரி பைக்கல் ,