Nanomachine Manufacture - A World Made of Dust—Nano Assemblers

Let us consider Feynman's ultimate vision: machines that can manufacture any substance from atomic components in the same way that children construct buildings out of Lego bricks. 

In a form of atomic 3D printer, a handful of soil includes all the essential atoms to allow such "assemblers" to construct what we want seemingly out of nowhere. 

  • The term "nano-3D" may become a new tech buzzword in the near future. These devices would not be completely new! They've been around for 1.5 billion years on our planet. 
  • Nanomachines manufacture proteins, cell walls, nerve fibers, muscle fibers, and even bone molecule by molecule in our body's two hundred distinct cell types using specific building blocks (sugar molecules, amino acids, lipids, trace elements, vitamins, and so on). 
  • Here, very specialized proteins play a key function. The enzymes are the ones you're looking for. The energy required for these activities comes from the food we consume. 
  • Biological nanomachines carry, create, and process everything we need to exist in numerous metabolic processes, like a small assembly line. 
  • Nature's innovation of cell metabolism in living systems demonstrated that assemblers are conceivable a long time ago. Enzymes are the genuine masters of efficiency as nanomachines. 

What is preventing us, as humans, from producing such technologies? 

We can even take it a step further: if nanomachines can accomplish anything, why couldn't they construct themselves? 

  • Nature has also demonstrated this on the nanoscale: DNA and RNA are nothing more than extremely efficient, self-replicating nanomachines. 
  • Man-made nanomachines may not be as far away from self-replication as they appear. 
  • Nature has long addressed the difficulty of nanomachine self-replication: DNA may be thought of as a self-replicating nanomachine. 
  • Nanotechnology opens up a world of possibilities for us to enhance our lives. Nonetheless, most people are put off by the word "nano," as are the phrases "gene" and "atomic," which similarly relate to the incomprehensibly small. 
  • Nanoparticles, genes, and atoms are all invisible to the naked eye, yet the technologies that rely on them are increasingly influencing our daily lives. 

What happens, though, when artificial nanomachines have their own momentum and are able to proliferate inexorably and exponentially? What if nanomaterials turn out to be toxic? 

The first of these issues has already arisen: nanoparticles used in a variety of items, such as cosmetics, can collect in unexpected areas, such as the human lung or in marine fish. 

What impact do they have in that area? 

Which compounds have chemical reactions with them and can attach to their extremely active surfaces? 

  • According to several research, certain nanoparticles are hazardous to microorganisms. 
  • To properly analyze not just the potential, but also the impacts of nanotechnologies, more information and education are necessary. 

This is especially true of the quantum computer.

~ Jai Krishna Ponnappan

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