Humble Inventions #2: Wheel
Next up in the small inventions that make a huge difference, Roma Agrawal talks of the wheel in Nuts and Bolts . This may take you aback – what is there to write a chapter about the wheel? Don’t we even have the saying “Don’t reinvent the wheel”, which suggests that the wheel was perfected ages back? Historical records suggest that the wheel was not invented for transportation. No, the wheel was invented for pottery! Why pottery? To create vessels to store food and water. What? As humans began to settle into agriculture and thus larger colonies, people found themselves further and further away from the fields or rivers, hence the need to store and carry food and water increased. It was only after humans had domesticated animals and thus had something to pull a vehicle with that the “vessel-maker” wheel was transformed into a “destination-maker” wheel, writes Agrawal. But the early wheel had many drawbacks – cut from logs, they were heavy; they were uneven i...