Sublime
An inspiration engine for ideas
Even as I thought about larger and more complex objects – diggers, skyscrapers, factories, tunnels, electrical grids, cars, satellites, and so on – again and again, I came back to the same seven foundational innovations. We join things together: the nail. We need something that rotates or revolves: the wheel. We need power, and technology that can
... See moreRoma Agrawal • Nuts and Bolts
Brian Potter • Why did agriculture mechanize and not construction?
There are three main types of physical levers: Force/Fulcrum/Weight, such as using a crowbar to open a door. Fulcrum/Weight/Force, such as a wheelbarrow. Fulcrum/Force/Weight, like a baseball bat.
Shane Parrish • The Great Mental Models Volume 2: Physics, Chemistry and Biology
The rip cord mechanism would be a one time use if it's not spring loaded.
Maybe a disposable cup won't be viable, it might have to be a new device. And the ingredients come like choose your adventure style option.
"You want two things:
1. Simplicity, simplicity, simplicity. No wasted movement. No wasted effort.
2. Compounding. Every project should have a long runway and feed the others."