Aliens using 'cosmic Twitter'

外星人曾向人類發'微博'

Sometimes it seems as if the expansion of the social networking phenomenon knows no bounds. Aliens could have been using cosmic 'tweets' to contact us for decades, scientists claim - but we have been missing them, British media reported Thursday. ET is more likely to be sending out short, directed messages than continuous signals beamed in all directions, experts said. The reason? Because alien civilisations are likely to strive to limit waste and make their signalling technology efficient.

社交網站溝通無國界，甚至可能沒有宇宙的疆界。據英國媒體22日報道，科學家宣稱，過去數十年來，外星人可能一直使用類似宇宙版的推特(Twitter)跟地球人溝通，只不過我們全都忽略了。專家表示，外星人很有可能會采用定向發送短信的方式，而非漫無目的地發送連續信息。那么原因呢？因為外星文明可能會試圖控制浪費，并使他們的信息發送更有效率。

*以上新聞由ChinaDaily雙語手機報提供