Saturday, January 5, 2013 - 5:13pm
One of the newest products that promises to make our world safer is called the Linear Revolving Door, which works by keeping armed intruders out of buildings.
doors stories
Wednesday, November 24, 2010 - 1:44pm
Doors are scary. You have no idea what's on the other side. Pirates? Ninjas? Zombies? Now you can take a peek at this special doorknob and make sure there's nothing on the other side that will kill you or eat your brain.
Thursday, December 11, 2008 - 7:51am
There are plenty of ways to generate energy from day-to-day objects and activities, it just takes a keen and creative eye to spot them and take advantage. In the Netharlands, at a train station, they're harnessing the energy generated by...
Friday, February 8, 2008 - 8:45am
The revolving door, now that is one heck of an invention! This door has been an active part of hotel and office life for decades and just now someone has though to turn it into a human hamster wheel....
