Mute
com.ciencia.gaia
Você conhecia isso? Um feixe de luz consegue cortar vidro em segundos. Mas o mais impressionante é que tudo acontece em pulsos que duram apenas picossegundos. Um picossegundo é um trilionésimo de segundo. Nesse intervalo absurdamente pequeno, o laser libera uma quantidade gigantesca de energia concentrada em uma área microscópica. A intensidade fica tão alta que o material literalmente começa a sofrer ablação a laser. Na ablação ultrarrápida, o vidro não é “serrado” como em ferramentas comuns. ...
Follow
83
2
3
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