Handycams in Space

When you live in a rough neighborhood, it's natural to want to keep an eye on your neighborsespecially when, unlike Totoro, they have nuclear ambitions. That's why the latest Japanese gizmos aren't cute cameras or robo-pets but high-powered military surveillance technology. According to officials in Japan's Cabinet Satellite Intelligence Center, the country will launch its first two spy satellites by the end of March, followed by two more later this year. Between them, these four cosmic eyesdeveloped at a cost of $2 billionwill be able to snap any spot on Earth with 24-hour's notice, come rain or...