March 6, 2026
Cold takes on cold tech
Triplet Superconductor
Scientists tease an energy miracle; commenters ask: hype or still ice-cold
TLDR: Scientists say a niobium–rhenium alloy may be a rare triplet superconductor that could carry spin with zero resistance and boost quantum tech. Commenters are skeptical: 7 Kelvin is still freezing, the paper’s tone is modest, and hype seems ahead of independent verification.
A team led by NTNU’s Jacob Linder says they may have spotted a triplet superconductor in a niobium–rhenium alloy (NbRe), the kind of “holy grail” material that could push quantum tech into ultra‑efficient territory. Triplet means the particles carry spin, so you could move both electricity and spin with zero resistance—translation: faster computers that sip power. But the crowd is bringing the drama. One jaded voice sighs, “I have become jaded with publications that hedge like this,” while another warns the real bottleneck is the icebox: the material “superconducts” at 7 Kelvin (just above absolute zero), prompting cold‑take memes about “high temperature” meaning your freezer is balmy. The vibe: cautious side‑eye. The paper—co‑authored with Italian collaborators and picked by Physical Review Letters editors—needs confirmation by other labs, and a commenter drops the receipts with the arXiv link, noting the manuscript has been around and the original tone was more reserved than the press hype. There’s a split between “this could be huge” and “wake me when it’s room temp”. Meanwhile, the jokes write themselves: “triplet” = triple the hype, triple the chill. If this pans out, it’s a big step for spintronics and quantum computing—but for now, the community is keeping it cool.
Key Points
- •NTNU researchers led by Professor Jacob Linder report signs of triplet superconductivity in a niobium‑rhenium (NbRe) alloy.
- •Triplet superconductors carry spin, potentially enabling zero‑resistance transport of spin currents for spintronics and quantum technology.
- •Experiments suggest NbRe behaves unlike conventional singlet superconductors and align with triplet characteristics.
- •The study was published in Physical Review Letters and selected as an Editor’s Suggestion.
- •NbRe superconducts at approximately 7 K; results are preliminary and require independent verification and further tests.