FedWire is FedScoop’s afternoon roundup of news and notes from the federal IT community. Send your links and videos to tips@fedscoop.com.

GSA gets rid of per diem allocation for conferences.

DARPA-funded clock sets a record.

Usability and accessibility explained.

VetSuccess expands to 62 new locations this fall.

NASA picks six technology proposals for continued study under the NIAC Program.

Accelerating startup success to spur economic growth.

Obama commemorating Labor Day: