Corvus Energy will deliver a mega-size battery system for the first fully electric offshore vessel ever to be built. The ...

Competitive swimmers know that swimming underwater causes less drag resistance than swimming at the surface. Splashing around making waves isn't the most efficient way to swim. Any energy spent ...

Analysis - Competitive swimmers know that swimming underwater causes less drag resistance than swimming at the surface. Splashing around making waves isn't the most efficient way to swim. Any energy ...