Google's summary of the topic:

"The concept of an "HTML5 supercomputer" refers to a system where HTML5 is used as the foundational language for the entire computing infrastructure, including the operating system and applications, rather than just for web content. This approach leverages the widespread familiarity and versatility of HTML5 among developers to build integrated and secure systems.

An example of this concept was articulated by Trevor Milton, founder of Nikola Corporation, who described the infotainment system in Nikola trucks as an "HTML5 supercomputer." In this context, HTML5 was not just for displaying web pages, but served as the core language for the entire system, allowing for custom chip development and a unified data network where all components communicate using the same standard. This approach offers several potential advantages:

    Developer Accessibility:
    Utilizing HTML5, a widely known and understood language, can broaden the pool of developers capable of working on the system.

    Integration and Security:
    Building a system where all components speak the same language can lead to tighter integration and potentially enhanced security by reducing the complexity of inter-system communication.

    Flexibility:
    HTML5's capabilities for multimedia, interactive applications, and responsive design can be extended to create a rich and adaptable user experience within the system. 

While HTML5 itself is a markup language primarily for structuring web content, its use in a "supercomputer" context highlights a shift towards leveraging web technologies for broader system development, moving beyond traditional operating system and application architectures."