Virtual worlds have to respond quickly enough for human users, yet need to be shared by multiple people connecting over imperfect networks. (newscientist.com)
Similarly, designers of all sorts of equipment need to know the physical characteristics of the intended human users. (religion-online.org)
Other labs have done similar tests in monkeys, but monkeys can't describe sensations, limiting what we can learn on behalf of future human users. (csne-erc.org)