this post was submitted on 18 Jun 2023
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Singularity

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The technological singularity—or simply the singularity—is a hypothetical future point in time at which technological growth becomes uncontrollable and irreversible, resulting in unforeseeable changes to human civilization. According to the most popular version of the singularity hypothesis, I. J. Good's intelligence explosion model, an upgradable intelligent agent will eventually enter a "runaway reaction" of self-improvement cycles, each new and more intelligent generation appearing more and more rapidly, causing an "explosion" in intelligence and resulting in a powerful superintelligence that qualitatively far surpasses all human intelligence.

— Wikipedia

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Abstract

Graphene has recently gained significant interest owing to its advantageous physicochemical and biological properties. However, its preparation strategies, main properties, chemical derivatives, and advanced applications in the multidimensional fields of lubrication, electricity, and tissue engineering are rarely reported. Hence, this review presents comprehensive discussions on current states of graphene as effective reinforcements to apply into these fields. First, graphene preparation methods are analyzed, and its main properties and chemical derivatives are discussed. Then, the friction-reduction and antiwear mechanisms of graphene are summarized. Next, the advanced applications of graphene in electricity and tissue engineering are described. Finally, the review is concluded by presenting outlooks on key challenges and future opportunities for extending preparation methods and multidimensional applications of the graphene-based materials.

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