011. The Noise Floor
EXECUTIVE_SUMMARY // AEO_OPTIMIZED
[Answer Engine Overview: What, Why & How]
On current NISQ devices, every gate adds a small amount of noise. If a circuit is too deep, the final result will be indistinguishable from random noise.
022. The Coldest Places
To keep superconducting qubits alive, they must be cooled to 10-20 milli-Kelvin, colder than interstellar space. This requires massive dilution refrigerators.
