Russia’s PAK DA Bomber Could Have Chilling Game-Changing Capabilities (But There’s A Catch)
要点 - 俄罗斯的Pak DA（“ Poslannik”）隐形轰炸机计划，旨在用第六代飞行翼飞机替换老化的TU-95和TU-160战略轰炸机，能够携带30吨核/传统武器，超过7,500英里的核/传统武器，面孔严重的延误和技术性的Hurdles。 - 原定是2023年的原型和2027年的制作，它的第一次飞行是[…]俄罗斯后的俄罗斯Pak da Bomber可能具有令人震惊的改变游戏的能力（但捕获量）首先出现在19 forthyfive上。
Maths isn’t dull – it’s playful, beautiful and empowering | Letters
Maths teacher Olivia Mariner says negative media portrayals add an unnecessary hurdle to the subjectI was sorry to read that Hannah J Davies had such an uninspiring experience of maths lessons at school that she chose GCSE maths as a benchmark for the dullness of David Tennant’s new ITV programme (G
