The accident is altogether unprecedented; nothing like it could have happened to a manufactory of common black gunpowder. We now come to the process of manufacture. The inventor begins by taking ...

To make these loud explosions, which are usually accompanied by a bright white flash, firework manufacturers use mixtures of perchlorate, a different kind of explosive than black powder.

Honda NX500 is available in 3 colours: Mat Gunpowder Black Matallic, Pearl Horizon White, Grand Prix Red. Mat Gunpowder Black Matallic Pearl Horizon White Grand Prix Red ...