Japanese inventors are hard at work on a robot that could someday fill in as an indispensible guide dog. Can a robotic dog really lead a blindfolded scientist up and down a flight of stairs?
Watch next video Revive a dead hard disk
Related Videos
Stop robocalls for good with Kim’s new eBook
Robocalls interrupt us constantly and scam Americans out of millions of dollars every year. Learn Kim's best tricks for stopping annoying robocalls in this handy guide.