Spacewalking astronauts replace blurry camera on robot arm

CAPE CANAVERAL, Fla. (AP) — Spacewalking astronauts provided some necessary focus to the International Space Station’s robot arm on Friday.
Astronaut Joe Acaba unbolted a blurry camera from a new robotic hand installed two weeks ago. He then popped in a spare, which flight controllers quickly tested from Houston. The replacement provided crisp, clear views.
Sharp focus is essential when the space station’s robot hand grabs an arriving supply ship and anchors it. The next delive