March 21, 2007Researchers develop microscale particles shaped like letters that could eventually be used to tag cells inside humans.Images: Microscale particles shaped like lettersTAGS:cell, nanotechnology, letter, paper, researcher, object
May 30, 2007Inventor readies e-mail system based on an innovative alphabet in which the 26 English letters are represented solely by individual colors.Images: Making words colorfulTAGS:KMail, alphabet, letter, communication, color, word, message, e-mail
August 24, 2007What would Emily Post think about e-mail invitations and IM chats? She died 47 years ago, so we asked her great-granddaughter.TAGS:Catherine Cook, margin, letter, messaging, e-mail