Scientists Use Sound Waves To Levitate, Manipulate Matter

SHARE:

A team of researchers in Switzerland have developed a way of levitating and transporting small objects using nothing but sound.

Using ultrasonic waves – that is, sound waves whose frequency is too high for humans to hear – scientists at the Swiss Federal Institute of Technology in Zurich have made water droplets, instant coffee crystals, styrofoam flakes, and a toothpick, among other objects, hang in midair, move along a plane, and interact with each other.

Scientists Use Sound Waves To Levitate, Manipulate MatterIt is the first time that scientists have been able to use sound to simultaneously levitate several objects next to each other and move them around.

Research published in the Proceedings of the National Academy of Sciences describes how objects placed between two horizontal surfaces, the bottom one emitting high-pitched sound waves and the top one reflecting the waves back, can be levitated and manipulated.

As anyone with a subwoofer and a teenager knows, sound waves exert pressure. When those waves are bounced between carefully aligned surfaces, they can create what is known as a standing wave, in which the total pressure from the original wave and its reflection cancel each other out. Objects placed at spots along the wave with the lowest amplitude, known as node points, tend to stay put.

In the past, scientists have been able to acoustically levitate bits of styrofoam and even small insects and fish. But until now, nobody has figured out how to get acoustically levitated objects to do anything other than just hang there, even though moving them has long been known to be theoretically possible.

“Theoretically there’s no difference between theory and practice,” says engineer Daniele Foresti, the study’s lead author, in a phone interview. “But in practice there is.”

Full Article

Scientists Achieve Levitation with Acoustics (Video)



Related:

COMMENTS

BLOGGER: 1

Name

Activism,1307,Art,791,BLM,22,Consciousness,1545,CoVid-19,154,Cures,227,Do it Yourself,112,Documentaries,72,Environment,1478,Fiction,2,Health,765,History,464,Human Intelligence,554,Inspirations,2,Inspiring Stories,4179,Justice,536,Mental Health,16,News,1411,Nutrition,218,Philosophy,309,Photography,1590,Quantum Physics,29,Quizzes & Tests,145,Quotes,113,Relationships,781,Science,1145,Self Improvement,838,Spirituality,248,Sustainability,246,Technology,477,Truth,755,
ltr
item
Thinking Humanity: Scientists Use Sound Waves To Levitate, Manipulate Matter
Scientists Use Sound Waves To Levitate, Manipulate Matter
A team of researchers in Switzerland have developed a way of levitating and transporting small objects using nothing but sound.
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiehavBcHnIOW5nDQkILBvFWcNbmKc7rTEyg0rl6Th43KruiFXSeUOmiYYXq0zGT4PkYIUyp9BQb2P-bB6ZIJ7s9fN5uxyR1R_poS75VqFG4TzF6_CNxwiRVD0gSoLBOO8ENDdfLhkbGpZZ/s1600/Scientists+use+sound+waves+to+levitate,+manipulate+matter.jpg
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiehavBcHnIOW5nDQkILBvFWcNbmKc7rTEyg0rl6Th43KruiFXSeUOmiYYXq0zGT4PkYIUyp9BQb2P-bB6ZIJ7s9fN5uxyR1R_poS75VqFG4TzF6_CNxwiRVD0gSoLBOO8ENDdfLhkbGpZZ/s72-c/Scientists+use+sound+waves+to+levitate,+manipulate+matter.jpg
Thinking Humanity
https://www.thinkinghumanity.com/2013/07/scientists-use-sound-waves-to-levitate-manipulate-matter.html
https://www.thinkinghumanity.com/
https://www.thinkinghumanity.com/
https://www.thinkinghumanity.com/2013/07/scientists-use-sound-waves-to-levitate-manipulate-matter.html
true
7064777598104498166
UTF-8
Loaded All Posts Not found any posts VIEW ALL Readmore Reply Cancel reply Delete By Home PAGES POSTS View All RECOMMENDED FOR YOU LABEL ARCHIVE SEARCH ALL POSTS Not found any post match with your request Back Home Sunday Monday Tuesday Wednesday Thursday Friday Saturday Sun Mon Tue Wed Thu Fri Sat January February March April May June July August September October November December Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec just now 1 minute ago $$1$$ minutes ago 1 hour ago $$1$$ hours ago Yesterday $$1$$ days ago $$1$$ weeks ago more than 5 weeks ago Followers Follow THIS PREMIUM CONTENT IS LOCKED STEP 1: Share to a social network STEP 2: Click the link on your social network Copy All Code Select All Code All codes were copied to your clipboard Can not copy the codes / texts, please press [CTRL]+[C] (or CMD+C with Mac) to copy