Meaning of E=MC(2) described in 1950s science film!

This equation merely means that any object, this table, a piece of paper, or just this pencil, just any matter represents an unbelievable amount of energy. For example, a glass of water is equivalent to the power produced by Hoover Dam in one full year. Enough energy to supply the electrical needs of your home for 4 million years. Air is a fragile thing. Yet in a single breath is energy equivalent to the burning of 200,000 gallons of high octane gasoline. Sufficient fuel to fly a giant 4engineed airliner for 200,000 miles. Within just the paper of a railroad ticket is enough energy to power a cracked diesel electric streamliner three times around the world.