Skip to main content

Acoustic comb moves objects by using ultrasound.


1) Acoustic metasurface comb. That is used for moving objects. 


"By placing a metamaterial pattern on the surface of an object, the University of Minnesota researchers were able to use sound to steer it in a certain direction without physically touching it. Credit: Olivia Hultgren" (ScitechDaily.com/Not Science Fiction: A New Method To Move Objects Without Contact)

Acoustic systems can use for levitating objects. Normally, acoustic tweezers are used for moving small objects. In acoustic tweezers, soundwaves replace physical contact. And that denies the disturbance in those processes. Acoustic tweezers can move objects very accurately. 



But if the power of those systems is very high. They can use to transfer and levitate even large and heavy objects. The thing is that this kind of system can use to make magical illusions. 

The ceramic comb transfers the object. The idea of this system is that the sound waves will aim at the comb. And that comb starts to resonate. The ceramic pikes aim the soundwaves at the object. That allows people to move an object on the table without touching them. The acoustic systems can move objects on the layer.



Image 2) Acoustic tweezers.


Or they can also hover over objects above the table. The thing is that the symmetrical and identical soundwaves that are coming from four points can create standing wave movement. That thing makes objects hover between those sound sources. 

When we look at these kinds of systems, we must think one thing. Did people of Comb Ceramic culture or some other culture use acoustic combs to move objects on the table? Or did those people know the acoustic levitation? 



Image 3) Comb Ceramic culture 


From 4000 BCE to 2000 BCE in northeast Europe was the thing called Comb Ceramic culture. The remarkable thing in that culture was the ceramics with comb striped. And that thing causes the question did those people use similar combs to modern researchers to move objects on the tables? 



Image 3) Ceramics from Comb Ceramic culture. "Comb ceramic pottery from Estonia, 4000-2000 BCE". (Wikipedia/Comb Ceramic culture)

The ceramic comb that aims to soundwaves is one of the newest tools in mechanics. But when we are looking at the principle of that tool. We can think of a situation where a musical instrument like a drum or a Kankli will aim sound waves at the comb. And then that thing moves objects. This kind of system can be very impressive if people will not know about that system. 



https://scitechdaily.com/not-science-fiction-a-new-method-to-move-objects-without-contact/


https://scitechdaily.com/acoustic-tweezers-use-sound-waves-to-control-items/


https://en.wikipedia.org/wiki/Comb_Ceramic_culture


https://shorttextsofoldscholars.blogspot.com/

Labels:

Comments

Post a Comment

Popular posts from this blog

Use virtual "perpetual motion machines" and seawater as energy sources.

   Use virtual "perpetual motion machines"  and seawater as energy sources.  The Archimedean screw can offer almost endless energy sources.  "Robert Fludd's 1618 "water screw" perpetual motion machine from a 1660 wood engraving. It is widely credited as the first attempt to describe such a device." (Wikipedia/Perpetual motion) The term "virtual perpetual motion machine" means a machine. That pulls water to the upper tank using a capillary tube. Then that water will fall through the generator or turbine wheel. The machine uses differences in pressure levels. But it looks like a "perpetual motion machine", that is impossible because of laws of thermodynamics.  The machine uses differences in pressure levels. But it looks like a " real perpetual motion machine", which is impossible because of the laws of thermodynamics.  The real perpetual motion machines don't use outside energy. And that's why they are not possible....
Post a Comment
Read more

Will humans survive the sun's red giant stage?

"As the Sun matures into a Red Giant, the oceans will boil and Earth will become uninhabitable." (The Conversation, The sun won’t die for 5 billion years, so why do humans have only 1 billion years left on Earth?) Sooner or later, all stars use their hydrogen. And then they turn into red giants. Sun is a yellow G spectral class star that turns into a white dwarf. But before that, the sun will turn larger.  The sun turns red and that means. It starts to send more infrared radiation. This thing will turn Earth into a hellish temperature that vaporizes water from Earth.  It's possible. That Earth will also vaporize with Venus and Mercury. Some scientists say that we have only 1 billion years to move farther in the solar system. The habitable zone will go to the distance of Jupiter and Saturn, and maybe humans find a safe place in those distant moons.  It's possible that before Sun will grow too large humans make large groups of mirror satellites or large shields that sho...
Post a Comment
Read more

Metamaterials can change their properties in an electric- or electro-optical field.

"Researchers have created a novel metamaterial that can dynamically tune its shape and properties in real-time, offering unprecedented adaptability for applications in robotics and smart materials. This development bridges the gap between current materials and the adaptability seen in nature, paving the way for the future of adaptive technologies. Credit: UNIST" (ScitechDaily, Metamaterial Magic: Scientists Develop New Material That Can Dynamically Tune Its Shape and Mechanical Properties in Real-Time) Metamaterials can change their properties in an electric- or electro-optical field.  An electro-optical activator can also be an IR state, which means. The metamorphosis in the material can thermally activate.  AI is the ultimate tool for metamaterial research. Metamaterials are nanotechnical- or quantum technical tools that can change their properties, like reflection or state from solid to liquid when the electric or optical effect hits that material. The metamaterial can cru...
Post a Comment
Read more