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Scientists say they’ve developed a new kind of robotic hand that can lift fragile objects, even if they’re heavy. As you can see in the video above, it brings us one step closer to creating droids that can replicate human actions that might seem simple, but are actually incredibly complex.

Until now, different hands had to be swapped onto a robotic arm depending on the object to be lifted, said the researchers at Switzerland’s École Polytechnique Fédérale de Lausanne. They were able to combine different types of technology to make a device ideally suited for humanlike robots.