·The Hindu·15 marks·250–350 words

Discuss the significance of superconductivity for India's energy transmission infrastructure and emerging technology sectors.

In this answer
  1. Significance for energy transmission
  2. Significance for emerging technology sectors

Superconductivity — the complete loss of electrical resistance below a critical transition temperature — promises loss-free current flow and is therefore of direct interest to India's power grid and to its frontier technology missions [1]. Its significance, however, is presently greater for compact high-technology devices than for transmission lines.

Significance for energy transmission

  • Cuts the technical component of losses: zero-resistance conductors eliminate the heat (I²R) lost in cables, the physical half of India's distribution losses [1].
  • Context of the gain: India's Aggregate Technical & Commercial (AT&C) losses fell from 22.62% in FY 2013-14 to about 15.04% in FY 2024-25, and the Revamped Distribution Sector Scheme (RDSS) targets 12–15% through smart metering and network upgrades [2].
  • Limits of the promise: superconductors cannot address the commercial half — theft, faulty meters, unbilled supply; a perfect wire cannot bill a consumer [2].
  • Cooling cost: conventional superconductors work only at cryogenic temperatures, so continuous cooling of long transmission corridors would itself consume power [1].

Significance for emerging technology sectors

  • Quantum computing: the National Quantum Mission (₹6,003.65 crore, 2023-24 to 2030-31, Department of Science and Technology) targets 50–1000 physical qubit machines on platforms including superconducting and photonic technology [3].
  • Advanced materials: the Mission explicitly supports design and synthesis of quantum materials such as superconductors and topological materials for quantum devices [3].
  • Devices in use today: superconducting magnets already power MRI scanners and accelerator magnets, where compact cooling is feasible [1].
  • Scientific temper: the failed replication of the LK-99 room-temperature claim shows why independent verification, not publicity, validates science — a live illustration of Article 51A(h) [4][5].

Superconductivity is thus best read as a long-term technical frontier for transmission and an immediate enabler for quantum and medical technologies. India's realistic path is to pursue governance-and-metering reform for grid losses now, while building superconducting materials capability through the National Quantum Mission — converting a century-old discovery into sovereign technological strength.

Sources

  1. 1How would room-temperature superconductors change science? — Naturezero resistance, transmission-loss savings, cryogenic limits, existing magnet applications
  2. 2Key Initiatives to Bring Down AT&C Losses of Power Distribution Utilities — PIBAT&C losses 22.62% (FY 2013-14) to 15.04% (FY 2024-25); RDSS 12–15% target, smart metering
  3. 3National Quantum Mission — Department of Science and Technology₹6,003.65 crore outlay, 2023-24 to 2030-31, superconducting qubit platforms and superconductor materials research
  4. 4Claimed superconductor LK-99 is an online sensation — but replication efforts fall short — Naturefailed independent replication of the room-temperature claim
  5. 5Nature retracts controversial superconductivity paper by embattled physicist — Natureretraction of a room-temperature superconductivity claim

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