Repurposed inventions take recycling to a whole new level by using and improving upon existing technologies. In this section, learn about creative invention mashups and how inventions evolve over time.
5 Popular Invention Mashups
When early man attached a stick to a sharpened piece of stone, he set in motion a trend in the creation of tools: the mashup. Today, almost all tools combine at least a few different technologies. What are some popular invention mashups?