4 ms·
Actually, this makes me think the opposite. This is a great example actually. Polyurethane wheels weren't introduced to skateboarding until 1971. It took off i
by aqme28 2y ago
Actually, this makes me think the opposite. This is a great example actually.
Polyurethane wheels weren't introduced to skateboarding until 1971. It took off in popularity due to this because the previous wheels were made of clay and were basically terrible.
I don't know the history of luggage wheels, but it sounds like it was waiting for the invention of the polyurethane wheel.
- SilasX 2y agoThis. What held up wheeled luggage was the difficulty of having small, reliable wheels that could bear a lot of weight. You could have big wheels, but that would be impractical here, though not for chariots, wheelbarrows, pushcarts, or rickshaws ... which did exist in antiquity.
- mixmastamyk 2y agoI remember metal skates (steel perhaps) in the early seventies.
- JackFr 2y agoPeople credit Dick Fosbury for inventing the modern high jump approach https://en.wikipedia.org/wiki/Fosbury_flop https://en.wikipedia.org/wiki/Fosbury_flop but it was the switch from jumping onto foam pads rather than into a pile of sawdust and sand that made it possible.
- pas 2y agohow come they didn't raise the platform and put "pillows" on it? :o