For instance, Chang and co-workers reported an electrical power-to-hydrogen efficiency of 78% and a solar-to-hydrogen efficiency (STH ... the effects of operating parameters and light concentration ...

Dyson's PencilVac is so thin and light it feels more like a broom than a cordless vacuum. Here's how using it went.

The Anker Solix F3800 Plus offers high solar input, expandable power, and EV charging - ideal for home backup or off-grid use ...