Above all, don’t bother filming them on your phone.
The News Lens
Date: 2018/02/15
By: If Lin
Credit: Yulin Huang
Are you setting off fireworks this year? Behind the dazzling displays of fireworks, there are many hidden principles of chemistry and physics. Here are the five most common types of fireworks in Taiwan:
Firecrackers
Firecrackers are just some gunpowder sealed tightly in a thick paper roll. After the gunpowder ignites, it generates heat and quickly explodes into a ball of gas. Because the paper roll is tightly sealed, the gas breaks the paper roll and creates a loud sound.
In recent years, due to environmental considerations, there have been improvements to firecrackers so that they produce fewer sparks and scraps of paper. [FULL STORY]