- Joined
- Nov 25, 2018
For me it would have to be the simple rice cooker
It works by abusing 2 quarks of physics to make perfectly cooked rice, 100% of the time.
The first being that it can't get water hotter than it's boiling temperature, extra energy added at the boiling temperature is matched by the energy leaving the system in steam.
The second being the permanent magnet that keeps the circuit powering the heating coil on. Due to the Curie effect, the permanent magnet will lose it's magnetism when it reaches a certain temperature.
When combined you get a rice cooker that will heat the water until boiling, and then when the sitting water has either evaporated or been absorbed by the rice, the rice is free to get hotter than the boiling temperature of water. Once it gets over that temperature it hits the Curie temperature of the permanent magnet and the cooker will pop and turn itself off.
Absolutely genius. No microprocessors, no timers, works at any elevation, so simple it can't break. The absolute pinnacle of human ingenuity
It works by abusing 2 quarks of physics to make perfectly cooked rice, 100% of the time.
The first being that it can't get water hotter than it's boiling temperature, extra energy added at the boiling temperature is matched by the energy leaving the system in steam.
The second being the permanent magnet that keeps the circuit powering the heating coil on. Due to the Curie effect, the permanent magnet will lose it's magnetism when it reaches a certain temperature.
When combined you get a rice cooker that will heat the water until boiling, and then when the sitting water has either evaporated or been absorbed by the rice, the rice is free to get hotter than the boiling temperature of water. Once it gets over that temperature it hits the Curie temperature of the permanent magnet and the cooker will pop and turn itself off.
Absolutely genius. No microprocessors, no timers, works at any elevation, so simple it can't break. The absolute pinnacle of human ingenuity