If we are thinking in half a century, the Wright Brothers first flew in 1903 and Chuck Yeager went faster than sound in 1947. Sure, some things have greatly im

If we are thinking in half a century, the Wright Brothers first flew in 1903 and Chuck Yeager went faster than sound in 1947. Sure, some things have greatly improved in the last 50 years. Color television was a big thing in the late 60’s. Now we’ve gone from analog to digital at 4K on huge flat panels.