Electronic lovers attending CES next week, here in Las Vegas, will have two new devices to check out during the world’s largest electronics show. Sapphire Gentlemans Club will add robot strippers, #r2doubled and #triplecpu, to its list of human performers during their shows January 9-12. The twin robots have come from London. The pair will be unveiled to the media and CES exhibitors at a special #sapphirerobot preview party from 8 to 10 p.m. Monday.