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ICYMI: Bro-saving weight bench, 4-gram robot and more

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Today on In Case You Missed It: A weight bench designed for people who want to lift alone has a hydraulic foot lever to save yourself from injury. A 4-gram robot can move two different ways: As an inchworm, or by flicking itself in the air with flippers that get a charge from a mild electric current. And an art project made of a 3D-printed top uses eye tracking sensors and software to let the wearer know when he or she is being stared at by responding with movement.

Because you really must hear it from the scientists themselves: If you have the time, make sure to watch the video of NASA's Mars water announcement.

For something smaller scale, get inspired by this fully functioning soda pop dispenser, made of Legos.

If you come across any interesting videos, we'd love to see them. Just tweet us with the #ICYMI hashtag @engadget or @mskerryd.

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