Today, your cell phone has more computer power than all of NASA back in 1969, when it placed two astronauts on the moon. Video games, which consume enormous amounts of computer power to simulate 3-D situations, use more computer power than mainframe computers of the previous decade. The Sony PlayStation of today, which costs $300, has the power of a military supercomputer of 1997, which cost millions of dollars.

Physics of the Future: How Science Will Shape Human Destiny and Our Daily Lives by the Year 2100 (ed. Anchor, 2011) - ISBN: 9780385530811