What Would It Take to Run a City on 100 Percent Clean Energy?
Most claims of running on “clean” electricity come with caveats, and many technologies required for round-the-clock renewable energy aren’t quite ready yet......»»
Indicted NYC mayor to FBI: I, uh, forgot my phone’s passcode
I think it starts with a 2? Enlarge / NYC Mayor Eric Adams, in happier times, holding an AirTag. (credit: NYC Mayor's Office/YouTube) New York City mayor Eric Adams was stopped on the street by the FBI after an event in.....»»
Tesla workers in Germany complain about home visits from their bosses
The rate of sick leave reached 17 percent in August, far above industry average. Enlarge / Tesla's factory in Gruenheide, Germany. (credit: Sean Gallup/Getty Images) Tesla's German car factory on the outskirts of Berlin.....»»
Researchers crack a key problem with sodium-ion batteries for electric vehicles and grid energy storage
Lithium-ion batteries have long dominated the market as the go-to power source for electric vehicles. They are also increasingly being considered for storage of renewable energy to be used on the electric grid. However, with the rapid expansion of th.....»»
Orbital angular momentum monopoles discovery propels orbitronics forward in energy-efficient tech
Orbital angular momentum monopoles have been the subject of great theoretical interest as they offer major practical advantages for the emerging field of orbitronics, a potential energy-efficient alternative to traditional electronics. Now, through a.....»»
Drought reduces Amazon River in Colombia by as much as 90%: report
The Amazon River has seen its levels in Colombia reduced by as much as 90 percent, a government agency said Thursday, as South America faces a severe and widespread drought......»»
Some people insist the Tijuana River is poisoning them: Officials disagree
The Tijuana River should not be flowing this time of year. But throughout the dry season, it has—delivering millions of gallons a day of an unnatural mix of water, neon green sewage and industrial waste from Tijuana through the city of Imperial Bea.....»»
Citrus waste converted to biopolymers using cavitation
The citrus industry generates a substantial amount of waste, primarily peels and seeds, which are often underutilized despite their rich cellulose and pectin content. Conventional pectin and cellulose extraction methods are energy-intensive and gener.....»»
Simultaneous detection of uranium isotopes and fluorine advances nuclear nonproliferation monitoring
Combining two techniques, analytical chemists at the Department of Energy's Oak Ridge National Laboratory have become the first to detect fluorine and different isotopes of uranium in a single particle at the same time. Because fluorine is essential.....»»
Ultrasound technology accelerates drying of renewable cellulose nanocrystals
The global transition towards sustainability has sparked significant interest in bio-based materials and energy-efficient technologies. Among these, cellulose nanocrystals (CNCs), derived from renewable resources, have shown great potential for use i.....»»
How to save a sinking city
What do Venice, Jakarta, Manilla and Bangkok have in common? They are or were sinking cities. Wageningen researcher Philip Minderhoud studies the causes of subsidence in these cities. Groundwater extraction plays an important part in all cases. The g.....»»
Advancing green chemistry: A tandem catalyst for efficient biomass conversion
The global demand for sustainable energy sources has intensified the search for environmentally friendly alternatives to fossil fuels. Biomass waste, a byproduct of various industrial processes, presents an untapped potential for the production of bi.....»»
The Galaxy Tab S10 Ultra brings AI to a big tablet
At an event in New York City today, Samsung unveiled its new affordable phone — the — and its latest tablet lineup. The first flagship products powered by a MediaTek processor in the U.S., the Galaxy Tab S10 Ultra and Galaxy Tab S10 Plus bring th.....»»
EV sales remain healthy despite online doom and gloom
Battery EVs are expected to account for more than 8 percent. Enlarge (credit: Aurich Lawson | Getty Images) Battery-electric vehicles accounted for 8 percent of new vehicle sales in June and July of this year and should.....»»
Scientists create model of holographic dark energy that is no longer unstable
In 1998, scientists discovered that our universe expands with acceleration, and in order to explain this effect, the concept of dark matter was introduced. This is a special type of energy that fills up all of existing space-time but is impossible to.....»»
Dead coral skeletons hinder reef regeneration by sheltering seaweed
The structural complexity of coral reefs creates a vibrant underwater city populated by a diverse assortment of characters. Ironically, this same complexity can impede coral recovery after disturbances......»»
Apple agrees contract with second unionized store, in Oklahoma City [U]
Apple last month reached agreement with employees at the first Apple Store to unionize, and has now done the same, with a store in Oklahoma City. The three-year contract covers much of the same ground as the contract in Maryland, though with highe.....»»
US Mac shipments flat, ahead of expected M4 Mac launch
A new market intelligence report suggests that US Mac shipments were flat in the previous quarter, with Apple’s market share slightly declining. Mac was up just half a percent year-on-year, against an overall average of 3.7%, but it’s likely t.....»»
CarMax"s Q2 net income rises 12%, revenue falls less than 1%
CarMax said it retailed 211,020 used vehicles in its second fiscal quarter, up 5.1 percent year over year. Same-store used-vehicle retail sales rose 4.3 percent......»»
Bird study shows that grounded running styles conserve energy
A small team of biologists and animal movement specialists in the Netherlands and the U.K. has found that birds such as the emu have a grounded running style at medium speeds, allowing them to conserve energy compared to the ungrounded running style.....»»
Nissan to buy back 5% of its own shares from partner Renault
The two automakers are restructuring their partnership and aiming for an equal cross shareholding of 15 percent each......»»