Copper — the stuff of pennies and tea kettles — is also one of the few metals that can turn carbon dioxide into hydrocarbon fuels with relatively little energy. When fashioned into an electrode and stimulated with voltage, copper acts as a strong catalyst, setting off an electrochemical reaction with carbon dioxide that reduces the greenhouse gas to methane or methanol.
Fingerprinting is one of the essential techniques of modern-day forensic science. Be that as it may, only a fraction of fingerprints can actually be detected using traditional powdering and cyanoacrylate fuming. But now, using gold nanoparticles, even year-old evidence can … Continue reading