With a higher energy density of 458 watt-hours per kilogram (Wh/kg) compared to the 396 Wh/kg in older sodium-ion batteries, this material brings sodium technology closer to competing with lithium ...

The multi-billionaire has started funding Ad Astra, a Montessori private preschool, outside Bastrop, Texas, recently state-issued documents show. The preschool will be located on 40 acres of land ...