By applying the electricity at different voltages to gold-painted onion skin, the material moved like a real muscle.
给镀金的洋葱表皮施加不同电压的电流,这种材料便会如同真实的肌肉那样收缩。
Scientists say that artificial muscles for robots can be made by covering onions in gold.
科学家们认为镀金的洋葱(皮)能成为机器人的人造肌肉。
The humble vegetable's skin can stretch and flex like real tissue which previous artificial muscles have been unable to emulate.
这种普通蔬菜的表皮能像真的肌肉组织那样伸展和收缩,而之前的那些人造肌肉都没能模仿出这一特性。
By coating the skin in a film of gold, scientists can then apply an electrical current to it using special equipment to make it expand and contract.
科学家们将洋葱表皮两面镀金,然后用特殊设备向它施加电流,便能让它延展、收缩。
In the tests, scientists took a single layer of skin and washed it, before freeze drying it to remove all water.
在测试中,科学家们取下单层洋葱皮洗净,然后用冷冻干燥法去除全部水分。
It was then treated with a special protein to make it brittle, before the gold was painted on.
在此之后,他们用一种特殊的蛋白质处理洋葱皮,使其变脆,再为其镀金。
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