batteries

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2026-06-15 · theness.com

Donut Lab Claims Looking Like Fraud - NeuroLogica Blog

In medical education we have a concept called longitudinal care - interns and residents need to follow a case through to its conclusion, or at least long term, so that can learn the entire process. This is why on-call work hours used to be so horrifically long (up to 36 hours)…

2026-01-07 · arstechnica.com

New battery idea gets lots of power out of unusual sulfur chemistry

Rather than being used as a storage material, the sulfur gives up electrons.

sulfur is a great storage material for lithium
Chinese researchers has managed to turn sulfur’s complex chemistry into a strength, making it the primary electron donor in a sodium-sulfur battery that also relies on chlorine for its chemistry.
2025-10-21 · theness.com

Sodium Batteries Are Coming

Batteries are an increasingly important technology to our civilization. If I could wave a magic wand and make one specific non-medical technology advance 10-20 years in a day, it would be battery technology. Batteries are used in our everyday devices, like phones and laptops…

Lithium is the best salt for battery chemistry because Li is the lightest salt on the periodic table (3 protons). Nothing can ever beat it for theoretical best specific energy (energy storage per mass). Sodium (Na) is right below it at 11 protons, so it’s an obvious choice for a possible Li…
what are the critical stats.
2025-07-31 · theness.com

Depleted Uranium Batteries

The Japan Atomic Energy Agency reported earlier this year that is has developed and tested a battery with depleted uranium as the active material of the negative electrode. Why would they do this, and what role could such a battery play? First let's look at the details (which…

2024-06-11 · bbc.com

The batteries made from cement

Concrete is perhaps the most commonly used building material in the world. With a bit of tweaking, it could help to power our homes too.

2024-05-11 · marginalrevolution.com

Battery Arbitrage

Solar is powering a large share of California’s energy needs during the day and batteries are now powering a significant share at night. NYTimes: Since 2020, California has installed more giant batteries than anywhere in the world apart from China. They can soak up excess solar…

2024-03-15 · newatlas.com

Giant 'sand battery' holds a week's heat for a whole town

A new industrial-scale 'sand battery' has been announced for Finland, which packs 1 MW of power and a capacity of up to 100 MWh of thermal energy for use during those cold polar winters. The new battery will be about 10 times bigger than a pilot plant that’s been running since…

2022-10-14 · lifelinebatteries.com

GPL-2400T AGM Starting Battery - Lifeline Batteries

Motor Starting Marine/RV Battery The GPL-2400T is a high performance, Mil-Spec, AGM battery, produced in the United States. Due to the Lifeline Battery's quality construction, it has an industry leading 2% per month self discharge rate at 77°F (25°C), compared to 10%+ for…