A new boron-rich compound, manganese diboride, delivers much higher energy density than current solid-rocket materials while remaining stable until intentionally ignited. Its power comes from an ...
Try these quizzes based on GCSE computer science past papers. By working your way through the computer science questions created by experts, you can prepare for your computer science exams and make ...
Edited by Robert C. Elderfield. Vol. 1: Three-, Four-, Five- and Six-Membered Monocyclic Compounds containing One O, N and S Atom. Pp. ix + 703. 88s. net. Vol. 2: Polycyclic Five- and Six-Membered ...
Steph McGovern: Hey can you lend us a tenner? Go on, go on, I’ll pay you back next week and I’ll tell you what I’ll even give you some extra money to say thank you. So you'll lend me a tenner and I’ll ...
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