Latin “Camera Obscura” = “Dark Room” Light passing through a small hole produces an inverted image on the opposite wall Safely observing the solar eclipse Alhazen (10th c.), Roger Bacon (13th c.) Early

** Coins or coin money is often underestimated by some people because it makes heavy even disturbing in the wallet. But if the routine is collected it will be worth it. Like this woman who collected coins

#Photography. An art form invented in 1830s, becoming publicly recognised ten years later. Today, photography is the largest growing hobby in the world with the hardware alone creating a multi-billion

I went to the old fortess during my last day in Livorno, find it was hard , the fortress is not located in the city center, but it is quite close to the american market, the most famous market in Livorno,