There’s no worse feeling than sliding your hand along an escalator or Subway rail and realizing the number of germs you’re picking up. While most bacteria are benign and, therefore, pose no threat to human health, the spread of microbes in some cases needs to be controlled. Because this issue is a serious one, LG Innotek and Clearwin developed a new sterilizer that claims to wipe out 99.99 percent of germs on a handrail through the process of ultraviolet germicidal irradiation (UVGI).