4 ms·
The new record for high-temperature superconductivity: -23°C (-10°F)
- gus_massa 8y ago> The caveat is that the sample has to be under huge pressure: 170 gigapascals, or about half the pressure at the center of the Earth. This is common in recent material, so it's not unexpected. Anyway, it's important to notice this because otherwise it looks like the conditions that you can get inside a freezer.