Japan unveils robot assistants for 2020 Olympics
[ad_1] When the Olympics came to London in 2012, the organizers relied on a legion of unpaid volunteers to herd the crowds and help them find their way. But when [...]
[ad_1] When the Olympics came to London in 2012, the organizers relied on a legion of unpaid volunteers to herd the crowds and help them find their way. But when [...]