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One major problem faced by engineers developing jet engines is adhering to stringent aircraft noise regulations. Engines need to be designed to minimise as much noise as possible. To solve such a problem, one cannot find the optimum conditions with…

Molecules, just like many objects, can exist in structurally iden�cal but mirror image forms known as ‘enan�omers’ (Figure 1 – like
your hands), each of which can have a different biological effect.1 A 50-50 mixture of enan�omers is made through…