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.
In computers, a virus is a program or programming code that replicates by being copied or initiating its copying to another program, computer boot sector or document.Viruses can be transmitted as attachments to an e-mail note or in a downloaded file, or be present on a diskette or CD.n computers, a virus is a program or programming code that replicates by being copied or initiating its copying to another program, computer boot sector or document.