资讯

Wausau Pilot & Review1 小时
How do fireworks work? A pyrotechnics chemist explains the science behind the brilliant ...
Colors, sparks, booms and whistles all require different pyrotechnic recipes. chensiyuan/WikimediaCommons, CC BY-SA Paul E.
Hoptown Chronicle5 小时
How do fireworks work? A pyrotechnics chemist explains the science behind brilliant colors ...
There are hundreds of chemical formulas — or pyrotechnic recipes — for fireworks. These are still based off an ancient ...