We’ve recently seen a surge in smartphones from Chinese brands packing 8,000mAh or larger batteries. Now, a tipster claims that Samsung SDI is testing a massive 20,000mAh dual-cell battery for smartphones. Samsung isn’t exactly known for pushing battery capacities in its smartphones. Even its latest flagship, the Galaxy S25 Ultra, comes with a 5,000mAh cell. However, according to a tipster, Samsung SDI is currently testing a dual-cell silicon–carbon battery with a massive 20,000mAh capacit...

By Alex Kimani – Dec 31, 2025, 5:00 PM CST The graphene hype has faded while graphite demand is surging. U.S.–China tensions are reshaping graphite markets, with punitive U.S. tariffs on Chinese anode-grade graphite boosting investor interest in non-Chinese suppliers. Domestic supply remains a bottleneck, leaving U.S. battery makers exposed to higher costs and supply risks. Following the Nobel Prize for graphene’s discovery in 2010, the gee-whiz nanomaterial has been lauded as a &#...

By Michael Kern – Dec 31, 2025, 2:00 PM CST The market for ultra-high-purity (UHP) graphite, essential for EV anodes and nuclear reactors, is projected to hit $1.43 billion by 2030, masking structural friction in the global energy transition. The vast majority (86% in 2024) of UHP graphite is synthetic, requiring a massive industrial footprint of fossil fuel feedstock and staggering amounts of electricity for high-heat graphitization furnaces. Two massive, well-funded industries—transpor...

Mike ReissDec 31, 2025, 01:08 PM ET Close Mike Reiss is an NFL reporter at ESPN and covers the New England Patriots. Reiss has covered the Patriots since 1997 and joined ESPN in 2009. In 2019, he was named Massachusetts Sportswriter of the Year by the National Sports Media Association. FOXBOROUGH, Mass. — New England Patriots defensive tackle Christian Barmore is facing a misdemeanor charge of assault and battery on a household/family member, according to court documents. The charge stems...

Add as a preferred source on Google We may earn a commission from links on this page. Deal pricing and availability subject to change after time of publication. Credit: Amazon/Lifehacker Table of Contents The Bose Ultra Open Earbuds take a sharp turn from the brand’s usual noise-canceling dominance. Instead of sealing you off from the world, they sit outside your ears, letting in ambient sound while still delivering rich, detailed audio. Priced at $199 (down from its original $299), this is th...

NFL star Stefon Diggs faces strangulation and other charges in connection with a dispute with his former private chef, police said. The Patriots star is charged with felony strangulation or suffocation and misdemeanor assault and battery. (12/31/25) MORE Assault, Celebrities on Trial Latest Videos NFL Star Stefon Diggs Faces Strangulation, Assault Charges DOJ starts releasing documents tied to Epstein sex trafficking investigation Ex-Michigan Coach Sherrone Moore Charged with Home Invasion, Stal...

Skip to content Image: Friedrich Stiemer At a glance Expert’s Rating Pros Extremely low weight (39 grams) Very precise and fast sensor Optical switches with a clean click feel Sturdy workmanship despite lightweight Construction Switchable 8,000 Hz polling rate Cons Short battery life, especially at high polling rates Open underside susceptible to dust No comfort features like RGB, Bluetooth, or additional buttons Less suitable for large hands High price Our Verdict Ultra-light, precise, an...