When the battery starts discharging, the sulfur at the cathode starts losing electrons and forming sulfur tetrachloride (SCl4), using chloride it stole from the electrolyte. As the electrons flow into the anode, they combine with the sodium, which plates onto the aluminum, forming a layer of sodium metal. Obviously, this wouldn’t work with an aqueous ..
Tag : Science
The Casablanca fossils are about the same age as hominin fossils from Spain, which belong to a species called Homo antecessor. This species has been suggested to be a likely ancestor of Neanderthals and Denisovans. Overall, it looks like the fossils from Casablanca are a North African counterpart to Homo antecessor, with the Spanish hominins eventually ..
Last year delivered doses of drama and excitement in the space business, with a record number of launches, breathtaking vistas of other worlds, and a multitude of breakthroughs and setbacks. 2026 is shaping up to be another thrilling year in the cosmos. For the first time in more than 54 years, astronauts are training to ..
Ørsted is seeking a court injunction against the Trump administration’s decision to suspend its work on a major wind farm project off the US northeast coast. In the latest salvo between the US government and the offshore wind industry, the Danish company filed a legal challenge against the suspension in the US District Court for ..
In June, the White House released a budget proposal for fiscal year 2026 that slashed funding for NASA’s science programs by nearly 50 percent. Then, in July, the Trump administration began telling the leaders of dozens of space science missions to prepare “closeout” plans for their spacecraft. Things looked pretty grim for a while, but ..
Under anti-vaccine Health Secretary Robert F. Kennedy Jr., federal health officials on Monday announced a sweeping and unprecedented overhaul of federal vaccine recommendations, abruptly paring down recommended immunizations for children from 17 to 11. Officials claimed the rationale for the change was to align US vaccine recommendations more closely with those of other high-income countries, ..
Most of the exoplanets we’ve discovered have been in relatively tight orbits around their host stars, allowing us to track them as they repeatedly loop around them. But we’ve also discovered a handful of planets through a phenomenon that’s called microlensing. This occurs when a planet passes between the line of sight between Earth and ..
On Tuesday, US Secretary of Energy Chris Wright issued a now familiar order: because of a supposed energy emergency, a coal plant scheduled for closure would be forced to remain open. This time, the order targeted one of the three units present at Craig Station in Colorado, which was scheduled to close at the end ..
The US has adopted more of a middle ground approach, essentially letting private companies decide what they wanted to do. Daymude and his co-authors wanted to investigate these markedly different approaches. So they developed a computational agent-based simulation that modeled how individuals navigate between wanting to express dissent versus fear of punishment. The model also ..
The case regarding cancelled grants moved relatively quickly. By June, a District Court judge declared that the federal policy “represents racial discrimination” and issued a preliminary order that would have seen all the cancelled grants restored. In his written opinion, Judge William Young noted that the government had issued its directives blocking DEI support without ..
