PhysicsThe world in 2076: Goodbye electricity, hello superconductivityThe long-awaited discovery of room-temperature superconductors will mean batteries that stay charged forever and a dramatically more efficient worldFeatures
TechnologyControversial India-Japan nuclear deal to be signed this week Under a deal expected to be signed on Friday, Japan can supply nuclear technology to India, which is not a signatory to the nuclear non-proliferation treaty ¿ìè¶ÌÊÓÆµ