1) The word "pencil" contains two vowels: E and I.

2) The first commercially available digital camera, the Dycam Model 1, was introduced in 1990 and had a resolution of 376 x 240 pixels.

3) The lotus flower is considered a sacred symbol in many cultures and is associated with purity, enlightenment, and rebirth.

4) The Great Barrier Reef in Australia is the largest coral reef system in the world and is visible from space.