India’s Prototype Fast Breeder Reactor at Kalpakkam attains criticality

What does it mean that the reactor attained criticality?

It means the reactor has begun a self-sustaining, controlled nuclear fission chain reaction, which is a major technical milestone before full-power operation and electricity generation NDTV,News18,Indian Express,India TV News.

Why is the Kalpakkam PFBR significant for India’s nuclear programme?

Reports say the PFBR advances the second stage of India’s three-stage nuclear programme, which is intended to expand the country’s ability to use breeder technology now and support thorium-based energy use later Republic World,Indian Express,Hindu,Times of India.

What is a fast breeder reactor?

A fast breeder reactor is a type of nuclear reactor designed to produce more fissile fuel than it consumes; in this case, several reports describe the PFBR as an advanced reactor with that capability Republic World,newsonair.gov.in,Hindu,Business Standard.