In the past decades, MIT has created many new inventions for mankind with its strong scientific research and development capabilities. Now, this invention list needs to be newly added. Not long ago, researchers at MIT announced the success of 3D printing to create a material with "shape self-recall" functionality. This material can "remember" its own shape, and even after being extremely deformed, it can recover its original shape without manual intervention.
If it can be put into industrial production, the role of this new invention will be limitless. For example, when used to make sustained-release capsules, it can achieve "precise release" only when it is feverish. This has always been the long-cherished dream of doctors and patients.
This invention was completed by MIT and the Singapore University of Science and Technology. The researchers managed to "print" tiny parts, then pull the material back into re-plasticity, and finally found that the materials automatically revert to their original state when they hit a specific temperature.
The use of this feature is invaluable. Including solar collector plates that are used to make the automatic adjustment of the angle without manual intervention. It is also a sustained-release capsule that can be automatically treated as described above. Although it is produced using 3D printing technology, researchers prefer to call it "4D printing." Because it can change its physical form over time.
Nicholas Fang, a professor of mechanical engineering at MIT, said: “If we can successfully apply this feature to the medical field, then the emergence of a 'practice drug' that automatically produces effects based on body temperature will no longer be a luxury.â€
Another researcher Kevin Gage explained to us the advantages of 4D printing:
"The significance of this invention is not limited to micro materials. It can also be used to make larger things. This is tantamount to opening the door to 4D printing applications. Many of the things that were previously extravagant, can be achieved through this technology. Realized."
It is reported that researchers are trying to use soft active materials to try. Applications include biomedical, soft machines? ? , wearable chip sensors, and even artificial muscle tissue. Researchers call this a "people's brain hole open" technology. All of this creativity benefits from the unique characteristics of the new material: it is hard and stable at low temperatures and extremely soft and flexible at high temperatures.
"Flowers can release pollen in a matter of milliseconds. It works so quickly because the mechanism of pollen release is done at a very microscopic level," the researchers said. "If this technology is applied to the manufacture of microscopic materials, humans can also achieve this kind of efficient motion design, and get rid of the huge awkwardness of industrial design in the past. The future is waiting for us to discover."
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