Deep Freezing News Today

A Tesla that was left outside for 2 nights in frozen conditions by a super charger was then taken to a super charger to see how it was charged. Here are the results.

Another device here works even better. >> its called a freezer mill. >> reporter: the freezer mill. liquid nitrogen is poured into the mill. a bone fragment encased in a tube dipped inside for deep freezing. >> im sure kids have seen different things put into liquid nitrogen. and it freezes instantly. >> reporter: the sample, brittle enough to blend into a fine powder. the machine uses d s chemicals break down the powder even more. usually this part of the process happens overnight, correct? for...

Obviously entertainment. >> reporter: this doctor is also a professor of forensic science, and dr. richard lee, associate professor, both a at john j. college of criminal justice in new york city. they dont need months to do their job. >> i would say about the size of an inch, inch and a half. >> reporter: all thats needed for them to extract dna, enough to possibly identify a victim. >> we certainly can extract dna from a bone like this. >> reporter: they took us through the process. clean bone...