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What if you could control your car, turn on your oven, or sign your name by touching an invisible screen?
要是你能通过触摸一块看不见的屏幕操控汽车、打开烤箱、或是签名，会怎么样？
Ultraleap, a British and California firm, uses ultrasound waves to create the sensation of touch mid-air. A camera tracks hand motions.
英国与美国加州合资的公司Ultraleap利用超声波在空中制造触感。摄像头追踪手部动作。
You can keep your eyes on the road. You can feel the button go click.
你可以让眼睛一直盯着路面。你可以感觉到按钮发出咔嗒一声。
Ultraleap works with museums, car manufacturers, and other industries to create invisible screens in mid-air, and with augmented reality headsets to bring more information to people's experiences.
Ultraleap与博物馆、汽车制造商及其他行业合作，在空中打造隐形屏幕，并借助增强现实头显丰富人们的体验感受。
With the pandemic, Ultraleap turned its technology toward touch screens in restaurants and stores, touch screens that some people no longer want to touch.
疫情期间，Ultraleap公司将其技术转向了餐厅和商店中的触摸屏，因为有些人不再愿意触碰这类传统的触摸屏。
People are becoming so much more conscious of what they're touching, particularly in an out of home environment, where they don't have so much control over what they're touching, and what may have touched it before.
人们对自己触摸到的东西越来越在意，尤其是在户外环境中，因为他们对自己触摸的对象以及此前可能接触过它的事物，并没有太多掌控力。
The technology may take a little getting used to. In a car to control music, temperature or the map, there are two gestures to learn.
这项技术可能需要一点时间来适应。在车内控制音乐、温度或地图，有两个手势需要学习。
One is a pinch gesture which is used for selection, and then the other one is what we call the drop the mic gesture, where you just release your hand like that.
一种是用于选择的捏合手势，另一种是我们所说的“扔麦”手势，你只需像那样松开手。
The driver can feel vibrations with the gesture as if you are physically touching something.
司机可以通过手势感受到振动，仿佛真的触碰到了什么东西。
You're feeling little pulses at each increment of the setting. It's a new way of interacting with machines touch free and in the air.
你会在设置的每一次档位变化时感受到轻微的脉冲震动。这是一种无需接触、在空中就能与机器互动的全新方式。
