Signal · Tuesday, July 28, 2026

$54M

Qbit Thermal

Quantum-assisted materials search for heat-pump refrigerants. The chemistry is speculative; the customer list, three appliance makers, is not.

Sources

From the edition

SIROCCOSIROCCO · Where the money went

Grid iron and the second battery wave
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    The iron-air storage maker closed a Series C to finance its first gigafactory in Ohio, with two utilities pre-

  • HelioscapeSolar

    Interconnection-queue software, of all things, drew a growth round: Helioscape says it has moved 14 GW of proj

  • Cinder CarbonCarbon

    A biochar-to-cement play with an unusually boring pitch: it sells a cheaper clinker substitute and books the r