Porous platinum matrix shows promise as a new actuator material

https://phys.org/news/2023-11-porous-platinum-matrix-actuator-material.html

"convert energy into movement... random, interconnected 2 nm strands ultrafine-ligament nanoporous platinum containing tiny pores increasing energy conduction... also creates tiny pores between strands improving electron or charged atom movement... deceasing strand diameter improved actuator performance... bulk np-Pt by easy and cheap method of electrochemical dealloying selectively leaching copper from a platinum-copper alloy using sulfuric acid... catalyst, robust sensors/ detectors"