Topic
density
20 stories related to this topic, newest first.
asiaone.comworld6 days ago
Mayon Volcano Erupts for 190 Days Producing Lava Flows and Rockfalls
The Philippines’ Mayon volcano continued spewing lava and rocks as its eruption reached 190 consecutive days. The Philippine Institute of Volcanology and Seismology reported ongoing lava flows, pyroclastic density currents and rockfalls.
theconversation.combusiness8 days ago
Melbourne Allows Medium-Density Housing on Most Residential Land, Other Capitals Restrict 74 to 97 Percent
A YIMBY group atlas shows Melbourne restricts 45 percent of residential sites, far below other capitals. National targets for 1.2 million homes by 2029 remain off track. Victoria, New South Wales and the ACT recorded modest zoning improvements.
americanbanker.comtechnology13 days ago
IBM Develops Prototype Chip With Twice the Transistors of Current Models
IBM has created a fingernail-sized prototype chip containing nearly 100 billion transistors. The design uses stacked silicon layers to achieve higher density.
theconversation.comscience15 days ago
Global Map Shows Underground Fungal Networks Span 110 Quadrillion Kilometers and Hold 300 Megatons of Carbon
Researchers compiled 322 prior studies and 16,000 soil samples to produce the first global map of arbuscular mycorrhizal fungal networks. The networks total 110 quadrillion kilometers in length and store 300 megatons of carbon. Agricultural conversion of grasslands threatens thei…
New York Postworld18 days ago
Study links mid-density neighborhoods to higher dementia death rates
New research published in JAMA Network Open finds the highest dementia mortality in neighborhoods with 5,000 to 10,000 residents per square mile. Both denser urban cores and rural areas showed lower rates.
Engadgettechnology24 days ago
NASA's TESS Spacecraft Discovers Two Low-Density Exoplanets in Same System
NASA's TESS spacecraft identified two exoplanets with densities comparable to cotton candy. TOI-791 b and TOI-791 c orbit the same star with unusually long periods and interact gravitationally. A team led by George Dansfield at Oxford University made the find using seven years of…
New Scientisttechnology25 days ago
IBM Builds Prototype Chip by Stacking Two 2-Nanometre Layers, Reaching Nearly 100 Billion Transistors
The 10 by 15 millimetre chip uses a two-layer process to achieve record density. New Scientist reported it offers 70 per cent better energy efficiency and 50 per cent higher performance than current leading chips.
New Scientistscience30 days ago
Science Study Estimates Global Density of Arbuscular Mycorrhizal Fungal Networks
Researchers published the first global estimate of arbuscular mycorrhizal fungal network density and biomass in Science. Two sources reported the study findings.
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nbcnews.comscience31 days ago
Microplastics Found in Over 75% of Tested Pet Food Brands
A study by the universities of Sussex and Exeter detected microplastics in 16 of 19 pet food brands. Value-range products showed higher concentrations than premium options, and wet food produced greater daily intake despite lower particle density.
unexplained-mysteries.comscience47 days ago
Study Finds Rock Discontinuity Density Shifts Mining Overburden Failure Mode and Lowers Critical Width-to-Depth Ratio
A paper published June 3 in Scientific Reports models how fracture density in rock alters subsidence patterns above underground coal mines. Researchers built UDEC simulations and compared them with field cases from China's Ordos coalfield.
Nbc Newsworld56 days ago
Huawei Plans 1.4-Nanometer Chips by 2031
Huawei announced a new chip design method at a Shanghai conference on Monday. The company said the approach would allow it to match the transistor density of leading 1.4-nanometer processes within five years despite U.S. sanctions.
foxnews.comscience57 days ago
Ice Erupts from Jupiter and Saturn Moons
Water plumes on ocean moons of Jupiter and Saturn could freeze into low-density ice resembling croissant texture. Researchers identified this material as a potential obstacle for future lander missions.
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yahoo.comworld60 days ago
Kilauea Volcano Produces Tephra Devils During 47th Eruption Episode
USGS scientists observed short-lived Tephra Devils forming over Kilauea’s craters during the volcano’s 47th eruptive episode last week. The phenomenon occurs when low-density tephra creates localized heat that lifts surface air into twisting columns. The next eruption is expected…
ai68 days ago
Meta Invests $14 Billion in Scale AI, Recruits Alexandr Wang to Lead New Superintelligence Lab
Alexandr Wang, Meta's AI chief and Scale AI cofounder, pushed back against the narrative that massive pay packages alone drove top talent to the company's SuperIntelligence Lab. Wang cited high compute resources, talent density and freedom for bold research bets as key motivation…
pymnts.comai70 days ago
AZIO AI Secures Order From Envirotech Vehicles for Multi-Megawatt AI Data Center Expansion
AZIO AI announced an order from Envirotech Vehicles to expand modular AI data center infrastructure at a South Texas site. The order is expected to support approximately 5 megawatts of high-density compute capacity. The development follows a non-binding letter of intent signed in…
interestingengineering.comtechnology72 days ago
Chemist Reports Highest Energy Density Yet in Molecular Solar Thermal Storage System
Grace Han's team at the University of California, Santa Barbara, created a molecular solar thermal system that stores 1.65 megajoules per kilogram, exceeding the energy density of lithium-ion batteries. The February paper describes using molecules inspired by DNA photochemistry t…
prnewswire.comscience72 days ago
Fluorinated Polymer Achieves 14.8% Efficiency in Single-Component Organic Solar Cells
Researchers developed a fluorinated double-cable polymer that reached 14.8 percent power conversion efficiency in single-component organic solar cells. The material showed a short-circuit current density of 26.83 mA cm^{-2}. Ultrafast spectroscopy measurements indicated accelerat…
swissinfo.chworld85 days ago
UN Demining Chief Reports Underreported Accidents from Unexploded Ordnance in Gaza
A UN demining chief stated that accidents from unexploded ordnance in Gaza are underreported. Children account for nearly half of the recorded deaths from such incidents. Evidence indicates a high density of explosives in the area, approximately one every 600 meters.
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Euronewsworld100 days ago
NASA Identifies Health Effects of Space Travel on Human Body
NASA has outlined five main hazards of spaceflight, including radiation, isolation, distance from Earth, microgravity, and hostile environments. These factors lead to physical changes such as bone density loss, cardiovascular alterations, and vision issues. Psychological effects…
indiatoday.intoday.inworld102 days ago
Artemis II Astronauts Use Flywheel Exercise Machine to Counter Microgravity Effects
Astronauts on NASA's Artemis II mission employ a flywheel-based exercise device to mitigate physiological changes from prolonged microgravity exposure. The human body experiences adaptations in space that can lead to muscle atrophy and bone density loss without countermeasures. T…