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A shadow is an area where direct light from a light source cannot reach due to obstruction by an object. It occupies all of the space behind an opaque object with light in front of it. The cross section of a shadow is a two-dimensional silhouette, or reverse projection of the object blocking the light.The sun causes many objects to have shadows and at certain times of the day, when the sun is at certain hights, the length of shadows change...

A paper plane, paper aeroplane (UK), paper airplane (US), paper glider, paper dart or dart is a toy plane made out of paper or paperboard; the practice of constructing paper planes is sometimes referred to as aerogami (Japanese: kamihikōki), after origami, the Japanese art of paper folding. The origin of folded paper gliders is generally considered to be of Ancient China, though there is equal evidence that the refinement and development of folded gliders took place in equal measure in Japan...

Junrey Balawing is only 17 years old but he looks like a baby. When he turns 18 in June he will officially be the world's smallest man according to the Guinness World Records. Junrey is 22 in (52 cm) tall and he can't walk and stand for too long because of pain. Shortest men This list of shortest people includes people who have been described or claimed as "shortest" in their lifetime or profession...

A POTD is an acronym for "Photo of the Day", "Picture of the Day", "Post of the Day" or "Poll of the Day". It is a term most commonly used by online digital photography communities as an honor to outstanding photos that are selected daily from among that community's membership. They can either be tagged as POTD or displayed in a special page on that site...