That changed at 1:03 a.m. on Dec. 5 when 192 giant lasers at the laboratory’s National Ignition Facility blasted a small cylinder about the size of a pencil eraser that contained a frozen nubbin of hydrogen encased in diamond.

This is over-my-head for the most part, but when a paragaph includes phrases like “192 giant lasers” and “frozen nubbin,” you have to share it.