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President Obama formally signed off on ending the ban on gays serving openly in the military, doing away with a policy that's been controversial from the day it was enacted and making good on his 2008 campaign promise to the gay community.
On Thursday, Defense Department extreme technology arm Darpa unveiled its Social Media in Strategic Communication (SMISC) program. It's an attempt to get better at both detecting and conducting propaganda campaigns on social media.
Technology is helping de-miners find unexploded land mines in new and cool ways, like the metal detectors augmented with smartphones we learned about this spring. And now, there are mine-chomping tank robots that eat mines for breakfast.
