The classic American emergency exit sign—the bold red letters spelling out E-X-I-T—seems at first glance like an unimpeachable bit of sign design. The contrast between the letters and the ...

It’s what’s powering the green glow of emergency exit lights. Tritium decays when one of its neutrons turns into a proton, turning it from a hydrogen isotope into a helium isotope.

In the late 1970s, the Japanese fire safety commission in a contest for a new national emergency exit sign selected the running-man design by Yukio Ota. He used green, the colour of “go,” as ...

Since 1992, Korea has been using the green emergency exit sign that was adopted by the International Organization for Standardization (ISO) in 1987.

The fire shutters are not meant to trap people within the premises, they are for the containment of fires. Read more at straitstimes.com. Read more at straitstimes.com.