Tuesday, May 8, 2012

Chinese inventions

I writing about chinese fireworks. Fireworks were invented thousands of years ago during the Han dynasty even before gun powder was invented.It is believed that the first “fireworks” were likely chunks of green bamboo, which someone may have thrown onto a fire when dry fuel ran short. kely chunks of green bamboo, which someone may have thrown onto a fire when dry fuel ran short.  The rods sizzled and blackened, and after a while, unexpectedly exploded.  Bamboo grows so fast that pockets of air and sap get trapped inside of the plant’s segments.  When heated, the air inside of the hollow reeds expands, and eventually bursts through the side with a long bam!

No comments:

Post a Comment