He had persuaded his science teacher to help him make a makeshift rocket. Somehow, he had managed to get his hands on the ingredients for gunpowder - potassium nitrate, sulphur and charcoal.
Source: Computational Materials Science, Volume 266
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We’ve tested a variety of Wi-Fi extenders to find the best options for different budgets and setups, from affordable fixes for small dead zones to higher-end models built to handle heavier traffic and faster connections.
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