2015-05-08から1日間の記事一覧
Carl Sagan's solar-powered spacecraft is getting its first test flight Legendary astronomer Carl Sagan once envisioned a solar sailer, a spaceship that uses sunlight radiation to push itself through the solar system much like a boat relies…
Fitbit Nearly Tripled Revenue Last Year, Files for IPO Fitbit, the San Francisco-based maker of wearable activity trackers, is preparing for a jump to Wall Street. サンフランシスコに基盤を持つウェアラブルアクティビティトラッカーのメーカー…