It heats the air it zips through to five times the surface temperature of the sun. Still, around 90 percent of lightning-strike victims survive. Over the past three decades, lightning has killed an average of 51 people per year in the U.S. but left more than 500 injured and alive.
Computer vision syndrome. Computer vision syndrome (CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time.
A computer virus is a program that spreads malicious code by copying itself and infecting host computers. Although some viruses are latent, others can corrupt data or impede system performance.ince viruses are built to avoid detection, antivirus software can create bait files that get the virus to infect it in order to study the virus or to discover and remove it. It is always a good idea to keep antivirus software up to date for protection against new viruses. Comments are closed.