Keyboard key. Coloured scanning electron microg- raph (SEM) of a dirty key from a personal computer (PC) keyboard. Dirt and accumulated grime (green)

---

Keyboard key. Coloured scanning electron microg- raph (SEM) of a dirty key from a personal computer (PC) keyboard. Dirt and accumulated grime (green) are seen on the key. Magnification unknown.

---

Size: 2848px × 2290px
Photo credit: © VOLKER STEGER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: computer, device, dirt, dirty, hardware, high-tech, home, household, keyboard, pc, peripheral, peripherals, personal, sem, tear, technology, wear