May 1, 2015
Researchers from the University of Tokyo have developed an inexpensive handwriting-enabled e-paper suited to large displays like whiteboards.
The display is made from black-and-white microparticles about 0.1 millimeter in diameter. One hemisphere of each particle is black and carries a negative charge, while the other is white and carries a positive charge. The particles are sandwiched between two electrodes. By switching the direction of the voltage across the electrodes… read more