The secret is the gunpowder inside the fireworks. The use of fireworks has ancient origins: probably around the year 1000. Fireworks are essentially composed of two charges of gunpowder: one in the “pocket” and one …
The science of fireworks
December 2024
The power of the hug
We hug each other when we are happy or when our heart cries, sometimes just to say hello. Hugs play a role important in our lives and they are a powerful tool of non-verbal communication. …