Résultats de recherche
Il y a 9 heures · In a dramatic leap forward in scale, efficiency, and cost, researchers at Stanford University have built a Ti:sapphire laser on a chip. The prototype is four orders of magnitude smaller (10,000x) and three orders less expensive (1,000x) than any Ti:sapphire laser ever produced. "This is a complete departure from the old model," said Jelena ...
Il y a 9 heures · The George W. Bush administration invaded Iraq despite lack of support in other capitals and withdrew from the Anti-Ballistic Missile Treaty. Donald Trump went much further, rejecting diplomacy and international cooperation outright. Any reversal will be a long-term and politically fraught undertaking. The first part of this article has surveyed the PMIC. The second and shorter part will ...
Il y a 9 heures · 第二届中国数字艺术博览会（成都）海报. 第二届中国数字艺术博览会（成都）即将于2022年12月17日至25日期间在中国西部国际博览城拉开帷幕。
