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| 1400s | ||
| 1500s | ||
| Pencil (Tristan Oliver) | 1600s | Calculator (Justin Forward) |
| 1700s | ||
| 1800s | ||
| 1810s | ||
| 1820s | ||
| 1830s | ||
| 1840s | Telegraph (Nicholas Thoms) | |
| Phonograph (Zachary White) | 1850s | |
| 1860s | Microphone (Heather Clarke) | |
| Hearing Aid (Maria Taylor) | 1870s | Typewritter (Shane Pilgrim) |
| Radar (Jonathan Pelley) | 1880s | Fountain Pen (Korey Hearn) |
| Ball Point Pen (Kimberly Penney) | 1890s | Paper Clip (Ashley Rockwood) |
| 1900s | ||
| 1910s | ||
| Television (Kathy Chubbs) | 1920s | |
| 1930s | FM Radio (Jessica Laing) | |
| Bar Code Reader (Mark Colbourne) | 1940s | Polaroid Camera (Jenesta Legge) |
| 1950s | Video Tape (Kris Crane) | |
| Compact Disc (Mitchell Penney) | 1960s | |
| Cell Phone (Brittany Kavanagh) | 1970s | |
| 1980s | World Wide Web (Matthew Seymour) | |
| 1990s | DVD Player (Danielle Parsons) | |
| 2000s |
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