The camera invented in the 1820s became an industrial product after 112 years; the radio invented in the 1860s took three years before it was put into use in the early 20th century; and the television invented in the 20th century only took 12 years to After being applied, the atomic bomb took only 6 years from design to application, the invention of the transistor to industrial production only took 3 years, and the invention of the laser to its application took less than 1 year. The text is intended to illustrate technological inventions:. ['Cycles are getting shorter.', 'Higher and higher levels.', 'More and more results.', 'Applications are getting faster.']