The bots have yet to be used in real-world scenarios, however we'd hope that if one fell into a crevice, another one would come to its rescue.

ENGADGET: Modular robots join forces to search and rescue

For years Federer and Nadal have stood together as a kind of classy firewall against the creep of corruption and boorishness that oozes into nearly every crevice of professional sports.

WSJ: Jason Gay: Roger Federer and Rafael Nadal's Rough Patch

At the turn, as the two groups grabbed a quick lunch, Swanson happened to mention to Welker that Raytheon had satellites everywhere, and could look into any crevice.

FORBES: The Day Wes Welker, The 'Patriot Missile,' Was Stopped In Mid-Air