Sound waves power these tiny drones

These new'microfliers' could help engineers build miniature vehicles that don't require batteries or engines. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The MICROBS Lab's microfliers compared with a 2015 Swiss 5 Rappen coin, which are only about half and inch in diameter. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy .