• Technology

    Make A Wish

    By Paul Adams Posted on 11.26.2008 1 Comments

    In the first video we see footage of a fireball generated by a large meteor recently sighted careening over the skies of western Canada. Impressively bright! Since we get only a brief glimpse of the action we've also included another amazing video, below, of a meteor streaking over Guadalajara. It's a common misconception that the heat generated from meteors impacting the atmosphere is due to friction. In fact it's due to a thermodynamic process known as adiabatic compression. Let's see how this works.

  • Entertainment & Gaming

    The Real Danger of Violent Video Games

    By Paul Adams Posted on 11.26.2008 22 Comments

    Everyone knows Halo gamers don't sleep. But now a group of scientists in Sweden have published new research linking violent video games to increased heart rate variability and sleep disruptions.



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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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