Salvino D'Armate is most often credited with the invention of the first wearable eye glasses around 1284. The earliest glasses was prescribed for hyperopia and perched on the bridge of nose.Sunglasses as we know them today was invented in 1929 by Sam Foster.
Outer Solar System. The planet Jupiter has the shortest day of all the eight major planets in the Solar System. It spins around on its axis once every 9 hr 55 min 29.69 sec. Jupiter has a small axial tilt of only 3.13 degrees, meaning it has little seasonal variation during its 11.86-year-long orbit of the Sun.
When is the shortest day of the year? The shortest day and the longest night of the year in the Northern Hemisphere occur during winter solstice which is usually observed on december 21st or sometimes on december 22nd UTC (see table 1). In 2015 winter solstice is observed on december 22, exactly at 04:48 UTC.