They're big laser beams, about 40 by 40 centimeters.

这些巨大的激光束，大约40×40厘米。

These reflectors are used today to reflect back laser beams emitted from Earth, such as this one behind me.

这些反射器现在被用来反射从地球发射的激光束，比如我身后的这个。

They have invisible laser beams that shoot out and map the world in 3D, as the car moves down the street.

它们有不可见的激光束，当汽车在街上行驶时，会射出激光束并绘制出三维世界。

Justin Fields ripped a laser beam down the field that was way overthrown.

贾斯汀·菲尔兹（Justin Fields）用激光束撕裂了被彻底推翻的场地。

The cancer cells are burnt out using a laser beam.

【burn】用激光束烧死癌细胞。

These are important experiments because we can measure how long it takes the laser beam to go to the Moon and back.

这些实验很重要，因为我们可以测量激光束往返月球所需的时间。

So, when you stop in a store and scan a soda, the beeper beams lasers and the barcode becomes numbers.

因此，当您在商店停下来扫描苏打水时， 蜂鸣器会发射激光， 条形码会变成数字。

Four months ago, we used freaking laser beams to recreate the conditions inside of a star, achieving more energy out of a nuclear fusion reaction than we put in.

4 个月前，我们用超厉害的激光重建了恒星内部的环境，由核聚变产生的能量超过了我们输入的能量。

Eventually, the laser exits the emitter and is passed on to the galvo head, where it's reflected by two mirrors moving as fast as 10,000 millimeters per second, which guide the laser beam to its target.

最终，激光离开发射器，被传递到镭射头，在那里，它被两面以每秒 10，000 毫米的速度移动的镜子反射，这将激光束引导到目标。

I found this youtuber that figured out that you can pick up a diamond using a laser beam. -I started by trying sprinkling some of those little diamonds into laser beam, and I couldn't get any of them to stick.

一个youtube用户发现我们可以用激光束捡起钻石 -一开始我试着把一些小钻石洒在激光束上，但没有一个能粘住。