Why the Biggest Obstacle for Elon Musk's Hyperloop Might Be Tunnels

It all sounds so Jetsonian. A new 600 mph "Hyperloop" method of transportation connecting Los Angeles and San Francisco? That's the buzz around the internet water cooler as people guess what Elon Musk has in store for the transportation of tomorrow. I say, sign me up! But if we take any lessons from past visions of… » 7/19/13 1:56pm 7/19/13 1:56pm

Driving Through The World's Longest Road Tunnel Is A Trip Through…

Completed in 2000, Norway's fifteen-mile-long Lærdal Tunnel cuts through a mountain range near the village of Lærdalsøyri. To ease drivers' claustrophobia and to prevent the underground monotony from lulling motorists to sleep, the tunnel is punctuated with a series of caverns designed to resemble impending daylight —… » 8/01/12 8:30am 8/01/12 8:30am

Hydrogen Cars Could Melt Tunnels, Ruin Day

While a hydrogen-fueled future seems perfect, it might not seem so great if it results in a jet flame heading towards you at a high velocity. According to researchers/buzzkills at the University of Sheffield, a computer simulation of a hydrogen car crashing inside a tunnel revealed some not-so-fantastic side effects.… » 11/08/07 4:00pm 11/08/07 4:00pm