Some unsettling dog-bots, one with an artificial face of Elon Musk , are now on display in a Palo Alto art center. The little androids had been spotted scurrying around San Francisco earlier this month. NODE, the name of the Palo Alto digital art center, says they are “proud” to exhibit the bot, which has four legs with a Musk head attached to it with no facial expression. A video shows the tan-colored bot do little but trot around and wave at people. “NODE is a home for artists defining