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.
If your computer is plugged into a wall socket that's switched on, even when it's in standby or sleep mode, it's vulnerable. That's because the lightning current can travel through the power cord or any other cable connected to your computer, says Phung. So if you think a storm is coming, you should physically disconnect your computer from the mains socket to protect it from a lightning surge, he says.