Evidence
Photographs

Diagrams showing Josephson junction, SQUID (two Josephson junctions), and qubit circuit layouts

Source: Visual presentation in interview

Significance

Shows the physical layout and lithography of quantum chips

Related Claims

Strong

Advanced quantum chip fabrication is using Applied Materials' 300mm tools with new recipes to maintain technological lead over China

Strong

Nvidia has become the central technological commerce hub of the United States, feeding the entire AI ecosystem

Strong

Quantum devices using similar technology to qubits are being deployed as astronomical detectors for exoplanet searches

Definitive

The first macroscopic quantum tunneling experiments in 1985 used rudimentary analog simulators because measurement technology was insufficient

Definitive

A qubit is fundamentally just a Josephson junction connected to a capacitor oscillating at approximately 5 GHz