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 it’s 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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Technology isn't all about bits and processors. It's the car with no driver, human organs printed in a lab and leisurely flights into space. It's the future and Engadget is here to tell you all about it.
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•“In Case You Missed It” (aka #ICYMI) is a daily clip show designed to dig up the offbeat and interesting stories that get buried by the biggest headlines. We'll bring you space and tech news, as well as internet lifestyle funk, and we'll round out each week's show with a headline blast to bring you the big stories you might have missed.
• “Dear Veronica” is an advice show for the modern era. Every week, Veronica Belmont will tackle questions from the audience on topics ranging from technology to social etiquette (and everything in between).