Interesting Engineering21d
Hydrogel electrolyte helps aqueous batteries hit 220 Wh/kg energy density, 6,000+ cycles
The Zn–SA–PSN hydrogel’s unique polymer design offers 2.5 V stability and 43 mS/cm ionic conductivity, surpassing conventional electrolytes.
The New York Times25d
2 Families, in Business for 50 Years, Wage War in a South Korean Boardroom
Control of Korea Zinc, the world’s largest producer of zinc, is at stake in a battle challenging the country’s entrenched chaebol system of powerful conglomerates. By Daisuke Wakabayashi and ...
MarketWatch26d
Add this $6,000 bonus to your account — plus 9 more of the biggest sign-up bonuses of January 2025
That said, when it comes to the very largest offers this month — one of which is $6,000 — the bar for entry is often anything but string-free, notes Bankrate Chief Financial Analyst Greg ...