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  2. Flash powder - Wikipedia

    en.wikipedia.org/wiki/Flash_powder

    Flash powder of any formulation should not be mixed in large quantities by amateur pyrotechnicians. Beginners should start with sub-gram quantities, and refrain from making large devices. Flash powder should only be made at the site at which it will be used. Additionally, the mixture should be made immediately before use.

  3. Terraria - Wikipedia

    en.wikipedia.org/wiki/Terraria

    Terraria has been described as a Minecraft clone by various video gaming media outlets. [81] [87] Terraria sold 200,000 copies in just over a week after its release, [88] and over 432,000 within a month. [89] By May 2022, over 44.5 million copies of Terraria had been sold, making it one of the best-selling video games of all time. The total is ...

  4. Pyrotechnic composition - Wikipedia

    en.wikipedia.org/wiki/Pyrotechnic_composition

    A pyrotechnic composition is a substance or mixture of substances designed to produce an effect by heat, light, sound, gas/smoke or a combination of these, as a result of non-detonative self-sustaining exothermic chemical reactions.

  5. Pyrotechnics - Wikipedia

    en.wikipedia.org/wiki/Pyrotechnics

    Pyrotechnic gerbs used in the entertainment industry. Pyrotechnics is the science and craft of creating such things as fireworks, safety matches, oxygen candles, explosive bolts and other fasteners, parts of automotive airbags, as well as gas-pressure blasting in mining, quarrying, and demolition.

  6. California fire that burned 500 acres and caused $10m in ...

    www.aol.com/california-fire-burned-500-acres...

    A California wildfire that has burned more than 500 acres was caused by illegal fireworks, officials have determined. The Hawarden Fire, which was ignited on Sunday, has destroyed six homes ...

  7. Burst charge - Wikipedia

    en.wikipedia.org/wiki/Burst_charge

    Fireworks shell. In fireworks, a burst charge (usually black powder) [1] is a pyrotechnic mixture placed in a shell which is ignited when the shell reaches the desired height in order to create an explosion and spread the stars.

  8. Salute (pyrotechnics) - Wikipedia

    en.wikipedia.org/wiki/Salute_(pyrotechnics)

    The salute may be fired on the ground (ground salute) or launched from a mortar as a shell (aerial salute). Due to the nature of the effect, large salutes are some of the more hazardous fireworks. Most of the "salutes" are made with flash powder. Flash powder has a fast burn rate, unlike black powder.

  9. Pyrotechnic colorant - Wikipedia

    en.wikipedia.org/wiki/Pyrotechnic_colorant

    These are used to create the colors in pyrotechnic compositions like fireworks and colored fires. The color-producing species are usually created from other chemicals during the reaction. Metal salts are commonly used; elemental metals are used rarely (e.g. copper for blue flames).