What were new inventions after 1928?

* sliced bread (1928) * Penicilin (1929) * Pablum (1931) * Velcro (1940's) * Computer Eniac (1945) * The Frisbee (1948) * Liquid Paper (1956) * The Snowmobile (1959) * Computer Mouse (1964) * The Internet (1973) * CDs (1980) * Post it Notes (1980) * Space Shuttle (1981) * The V-Chip (1995) * DVDs (1995)