He invented cordite, a type of smokeless explosive made of nitrocellulose. Its use in firearms during WWI was a huge advantage over conventional gunpowder, because it does not produce visually obstructive smoke clouds when fired. Nowadays it is no longer used.
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Identify learning gaps and misconceptions with this set of worksheets offering three levels of support
Identify learning gaps and misconceptions with this set of worksheets offering three levels of support
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