В Финляндии предупредили об опасном шаге ЕС против России09:28
Call of Duty is back, and it's got a battle on its hands
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And, if a robot arm were to swing out towards you, for safety reasons you would want to be able to immediately stop it and push it back without harming yourself, reverse that motion instantly. For one thing, that requires a back-driveable actuator.