Wait! They were lasers? How many watts? Was their mode good? Were they DC lasers or high power peak to peak lasers! So many questions! Was their M^2 acceptable? How about polarization.... Oh my God! They made cotton lase?!!!! Could they make other solids lase back in the day? Wood? Stone!?
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Girls by the roadside making and selling lace in the Lauterbrunnen Valley, Switzerland around 1900. | Spyke
Ah, the good ol' days! /s
Wait! They were lasers? How many watts? Was their mode good? Were they DC lasers or high power peak to peak lasers! So many questions! Was their M^2 acceptable? How about polarization.... Oh my God! They made cotton lase?!!!! Could they make other solids lase back in the day? Wood? Stone!?