True or False?

Have you ever heard of an electron microscope? These microscopes use electrons instead of light to create a magnified image. Invented in 1931 by German physicist Ernst Ruska, the first electron microscope was the transmission electronic microscope.

The Caspian Sea is the world’s largest enclosed inland body of water. Its total surface area is a staggering 371,000 square kilometers. It contains 78,200 cubic km of water and is also the 3rd deepest lake in the world, reaching depths of 1,025 m below surface! Iran, Kazakhstan, Turkmenistan, Russia, and Azerbaijan surround the basin of the lake.

Las Vegas is bright! It seems there are flashing, blinking, and glittering lights everywhere. And well, perhaps that’s because there are over 15,000 miles of neon tubing within the city. There is even a dedicated museum for these signs. The Neon Museum contains more than 150 signs and the stories behind them.