smell-o-vision

11.25.09

Automatic Aromatherapy to Keep Drivers Awake

New tech detects if you're too tired to drive and even smacks you with a burst of smell to keep you alert
By Dan Smith Posted 07.27.2009 at 3:17 pm 2 Comments

It is estimated that about 100,000 crashes a year are caused by sleepyhead drivers. Now, scientists are combating driver fatigue by developing systems that monitor your level of alertness -- and Nissan is hoping to wake you up with a blast of smell.

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The Smell of War

To improve its virtual-reality simulators, the military wants to incorporate smell. For help, it's turning to Hollywood
By James Vlahos Posted 08.01.2006 at 1:00 am 0 Comments

Hear more about author James Vlahos's experience in the Army's new smell simulator on the PopSci Podcast.

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December 2009: Best of What's New

In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.

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