Mercedes to go around the world in 125 days in fuel cell EVs

Mercedes to go around the world in 125 days in fuel cell EVs

Space Adventures to resume space tourism in 2013

Space Adventures to resume space tourism in 2013

World's lightest solid material, known as 'frozen smoke', gets even lighter

World's lightest solid material, known as 'frozen smoke', gets even lighter

On the go: Top gear in the year 2031

On the go: Top gear in the year 2031

Poo-Gloos treat sewage as quickly and effectively as mechanical plants, but cost less

Poo-Gloos treat sewage as quickly and effectively
as mechanical plants, but cost less