The expansion and contraction of the air drives displacer pistons in the Stirling Engine , but in Score-Stove 's thermo-acoustic set-up there are no moving parts , says Paul Riley , Score project director . New multi - purpose biomass stove generates electricity from sound waves created by cooking . Score - 2 currently undergoing field trials in Nepal and India . Los Alamos National Laboratory assisted British Army with thermo - acoustic technology .
New multi - purpose biomass stove generates electricity from sound waves created by cooking . Score - 2 currently undergoing field trials in Nepal and India . Los Alamos National Laboratory assisted British Army with thermo - acoustic technology .