[Verse 1] Deep in the lab where quantum dreams collide We need the coldest stage where qubits hide But regular freezers just won't make the grade When microkelvin temps are what we've got to trade Helium three and four become our friends In isotopic dance that never ends [Chorus] Dilute and cool, mix and rule Helium three in four's the tool Millikelvin low, watch heat waves go Multi-stage flow makes quantum glow Ten millikelvin or below That's how far these fridges go [Verse 2] Start with liquid helium at four degrees Pump it down with mechanical expertise First stage cooling gets us partway there But for quantum states we need much rarer air Helium three dissolves in helium four Like alcohol mixing, but so much more [Chorus] Dilute and cool, mix and rule Helium three in four's the tool Millikelvin low, watch heat waves go Multi-stage flow makes quantum glow Ten millikelvin or below That's how far these fridges go [Bridge] Osmotic pressure drives the separation Light isotope seeks concentration Through the boundary layer it must flow Absorbing heat as down we go Each atom carries thermal energy away Making quantum computers work and play [Verse 3] Mixing chamber where the magic starts Helium three from four departs Concentrated phase meets dilute side Entropy increase cannot hide This thermodynamic sleight of hand Makes coldest temps throughout the land [Chorus] Dilute and cool, mix and rule Helium three in four's the tool Millikelvin low, watch heat waves go Multi-stage flow makes quantum glow Ten millikelvin or below That's how far these fridges go [Outro] From room temperature down we climb Through stages working overtime Precooling, still, and mixing stage Unlocking quantum's frozen age Dilution refrigeration's art Gives quantum computing its cold heart
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