Well, popping the common erectile dysfunction pill before sex could soon be a passe. Scientists have come up with what they claim is a new generation of more effective anti-impotency drugs which can be rubbed into skin. An international team has successfully tested the new technique — which involves tiny objects called nanoparticles — on laboratory rodents and believe it could also be used to help humans. An international team has successfully tested the new technique — which involves tiny objects called nanoparticles — on laboratory rodents and believe it could also be used to help humans, The Daily Telegraph reported According to scientists, under the new therapy, nanoparticles that release the anti-erectile chemical nitric oxide are rubbed on the problem area, and absorbed directly into the skin.