A new academic term meets liquid nitrogen....

Ah, Fall term is upon us. A tip for all the students out there: don't use your laptops excessively when class is in session...

Brought to you by Kieran Mullen, University of Oklahoma physics professor. Actually, this video was only a gratuitous demo (but an effective one at that) [1]. While we're on the subject, there are many things that can be destroyed after a bath in liquid nitrogen and an encounter with the floor: pumpkins, locks, and of course, giant koosh balls [2].

[1] the same principle goes for cell phones and full-course meals. You know who you are.

[2] COURTESY: Jefferson Lab, US Department of Energy.