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Engineered Arts Ltd.’s Robothespian is probably one of the first professional robotic actors who made it into the real world (sorry, T-1000). Its elegant movements, extraordinary body language and emotion-conveying skills make it a great communicator. It may not be capable of helping the elderly, it’s not nearly as agile and athletic as Boston Dynamics’ PETMAN, and it’s unlikely to be of any use during eye surgery. But that’s OK. Robothespian is an artist. A robot burdened with the task of exploring the ephemeral territory of the arts and claiming it for his robotic brethren. And it seems it is extremely well equipped to get the job done.

Thanks to LCD eyes that convey emotions and feelings to match what is being said, along with emotive LED lighting in its body shell, Robothespian has become proficient at the art of mesmerizing its audience. If you need a captivating story-teller, just hire a professional voice-over artist once and then leave Robothespian to deliver the same powerful act over and over again.

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Today’s groundbreaking entry into the Uncanny Valley is a pair of mechanical, robot legs that are propelled entirely by their own weight: they can walk with a human-like gait without motors or external control. If this sounds too good (or crazy) to be true, watch the first video at the end of the story, wipe the tendrils of drool off your chin, and then find your way back up here for an explanation.

Without making this accomplishment any less awesome, these robot legs — called BlueBiped, and made by researchers at the Nagoya Institute of Technology in Japan — are basically just an imitation of human physiology. There are thighs and lower legs made out of aluminium that are the same length as their human counterparts, and ankles and  knee joints for articulation, but… that’s it. No sensors, no computers, no “musculature” — the legs are completely passive, you just give them a push… and they carry on walking. As long as there’s a slight downwards slope, anyway — there has to be some source of energy, after all, and in this case it’s gravity.

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