robert metcalfe antonio meucci jun-ichi nishizawa radia perlman alexander stepanovich popov johann philipp reis claude shannon henry sutton nikola tesla camille tissot alfred vail charles wheatstone vladimir k. zworykin transmission media coaxial cable fiber-optic communication optical fiber free-space...
, but you don't like the way the walls and ceiling curve inward in the hallway. you change the colors, then the shape, until you feel comfortable in the space. it's easy to do because none of it is real: it's all in vr. read more... technology robots on the rise . in recent years, robots have evolved...