Physics: Acoustics and Ultrasound
Published

Life's rich pattern: Researchers use sound to shape the future of printing      (via sciencedaily.com)     Original source 

Researchers have developed a way to coax microscopic particles and droplets into precise patterns by harnessing the power of sound in air. The implications for printing, especially in the fields of medicine and electronics, are far-reaching.

Physics: Acoustics and Ultrasound
Published

Swimming upstream on sound waves      (via sciencedaily.com)     Original source 

Scientists have succeeded in propelling microvehicles against a fluid flow using ultrasound. In future, these tiny vehicles are set to be introduced into the human bloodstream, thereby revolutionizing the field of medicine.