By Stephen Beech

Nuclear waste could be a source of fuel in future reactors, say scientists.

American researchers are working on new systems to use waste products from the current fusion process to make a rare version of hydrogen called tritium.

The world is facing a growing need for electricity - from electric-powered cars to artificial intelligence (AI) data centers.

In theory, nuclear fusion - the process that fuses atoms together, releasing heat to turn generators - could provide huge energy supplies with minimal emissions.

But nuclear fusion is an expensive prospect because one of its main fuels is tritium.

Dr. Terence Tarnowsky, a physicist at Los Almos National Laboratory (LANL), New Mexico, explained that today’s nuclear power plants generate energy through a process cal

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