The J1 offers a few unique slow motion modes as well, though, including a bizarrely wide 8:3 (think 16:6, not 16:9) slow motion mode that snaps up to five seconds of 640 x 240-pixel video at 400 fps, played back at 29.97 fps.

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Last year, in its most recent test, the X-51 fell for about four seconds before its booster rocket ignited, but the aircraft failed to separate from the rocket and plunged into the ocean.

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If it senses that you've fixed your gaze on a specific location for more than a few seconds, a nose-bridge mounted HD camera will take a 50 x 50 pixel snapshot and compare it to its image database -- much like Google Goggles.

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X-43C to fly for up to five minutes, rather than a mere ten seconds.

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Contrast Detection in the X-E1 brings your subject into sharp focus in as little as 0.1 seconds.

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You get an x-ray and you are exposed to the radiation for very brief instant, maybe a couple of seconds, after that the radiation goes to zero.

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It also records 848 x 480 video to SDHC cards at 30fps and shoots with a shutter release time lag of 0.005 seconds and a 2 frames per second burst mode at full resolution for a maximum of just 5 images.

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