The system allows real-time tracking of even small birds up to five miles away.
In a spectacle befitting the ultimate entertainer, friends and fans pay tribute to a man whose music touched millions worldwide.
North Koreans on Thursday tested several short-range missiles, but their track record on longer-range missile technology has been poor.
Budget cuts are forcing many towns to scrap fireworks shows, though in some, local residents and businesses have stepped up to keep the tradition going.
Protests against taxes and red ink are set for this weekend. Their potential to form a formidable national movement is unclear.
Some mid-career professionals are moving forward by starting over.
Finding a place to plug in an electric car – and what it will cost.