Highlights 1906: Vacuum tube: triode References Wikipedia: Timeline of computing hardware: 1851–1930 Paleofuture: 1900s Popular Mechanics releases a gorgeously-illustrated guide to retro futurism (gallery: 1903-1969) Book traversal links for Internet: 1900s ‹ Internet: 1900-1930s Up Internet: 1910s › Printer-friendly version