Round 9: Tossup 5
Popular examples of qubits that rely on this phenomenon include transmon and flux qubits. Niobium-titanium and niobium-tin alloys are useful because they display this phenomenon. SQUIDs are made up of loops displaying this phenomenon that take advantage of the Josephson effect between two materials exhibiting it. This phenomenon is exhibited by the ceramic (*) yttrium barium copper oxide. According to BCS theory, this phenomenon arises from the formation of Cooper pairs. Since this phenomenon causes magnetic fields to be expelled in the Meissner effect, materials displaying it trigger levitation. For 10 points, name this phenomenon in which a material displays zero resistance to current. ■END■
ANSWER: superconductivity [or superconductors; accept accept Type I superconductors or Type II superconductors]
<Science - Physics, Aveek Sarkar> | VAULT II Packet 09
= Average correct buzzpoint
Buzzes
| Player | Team | Opponent | Buzzpoint | Value |
|---|---|---|---|---|
| Joel Dicker | Southampton | Birmingham B | 24 | -5 |
| William Turner | Bath | Cambridge | 69 | 10 |
| Mia Clark-Webb | Oxford | Birmingham A | 74 | 10 |
| Will Barton | Southperial | Warperial | 75 | 10 |
| Dan Millington | Birmingham B | Southampton | 103 | 10 |
Summary
| Tournament | Edition | Match | Heard | Conv. % | Power % | Neg % | Avg. Buzz |
|---|---|---|---|---|---|---|---|
| VAULT II at Georgia Tech | 2026-01-24 | ✕ | 6 | 100% | 50% | 50% | 40.33 |
| VAULT II at Eden Prairie HS | 2026-03-13 | ✓ | 3 | 100% | 100% | 0% | 30.33 |
| VAULT II at McGill | 2026-03-13 | ✓ | 4 | 100% | 0% | 25% | 90.50 |
| VAULT II at UCSB | 2026-03-13 | ✓ | 5 | 100% | 40% | 20% | 57.00 |
| VAULT II Northern UK | 2026-04-24 | ✓ | 3 | 100% | 33% | 0% | 81.00 |
| VAULT II Southern UK | 2026-04-24 | ✓ | 4 | 100% | 0% | 25% | 80.25 |
| VAULT II at Harvard | 2026-04-30 | ✓ | 2 | 100% | 100% | 0% | 38.00 |
| VAULT II at MINT | 2026-06-19 | ✓ | 5 | 100% | 40% | 20% | 75.80 |
| VAULT II Stanford Online | 2026-07-17 | ✓ | 8 | 100% | 88% | 0% | 35.63 |