Mechanical ventilating fan, Reinvented by Leonardo da Vinci

Mechanical ventilating fan was invented in China circa 180 CE. Continue reading

Bronze Thimbles Found at Pompeii and Herculaneum

Bronze Thimbles found in the ruins of Pompeii and Herculaneum in Italy, both cities were destroyed and buried by a volcanic eruption in 79 CE. Continue reading

Invention of the Paper Clip

No not the darn paperclip in Microsoft’s Windows that asks if it can help, Im talking about the good old paper clip. Continue reading

Then there was Light… by Lanterns

During the Roman era, lanterns made of clay with an opening at the front, this enabled people to take lights (oil or candle) outside. Continue reading