Tekinoloje ya laser yapita patsogolo kwambiri pazaka makumi angapo zapitazi. Kuchokera ku laser ya nanosecond kupita ku laser ya picosecond mpaka laser ya femtosecond, yakhala ikugwiritsidwa ntchito pang'onopang'ono popanga mafakitale, ndikupereka mayankho amitundu yonse. Koma mumadziwa bwanji za mitundu itatu iyi ya lasers? Nkhaniyi kulankhula za matanthauzo awo, mayunitsi nthawi kutembenuka, ntchito zachipatala ndi kachitidwe madzi chiller kuzirala.