More recently introduced terms such as 'annually laminated' are synonymous with varve. Of the many rhythmites in the geological record, varves are one of the most important and illuminating in studies of past climate change. Varves are amongst the smallest-scale events recognised in stratigraphy.
Computer Randomly Shuts Down: Possible Reasons. If your laptop or computer shuts down by itself randomly, then there can be many possible reasons for it. Knowing the problems due to which your PC keeps shutting down frequently will help you deal with them accordingly. Reason #1: Virus Infiltration.
I was just turning off my PC, he replied innocently. Sometimes I forget that some of the stuff I take for granted isn't common knowledge. So in case you've been committing this same heinous shutdown crime, allow me to enlighten you. That is not, repeat, not the proper way to shut down a PC. The proper way is to click Start, Shut down. The only time you should press and hold the power button is if your computer is locked up and otherwise unresponsive.