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.
Shutting down your PC at the end of the day is so 20th century. What you probably should be doing is putting it into sleep mode. You'll save that interminable wait for your system to boot up, and it won't destroy the Earth or your bank account with a dramatic change in energy usage.