The Tools We Build,Build Us Back | Venkatarangan Thirumalai | TEDxThiagarajar College of Engineering

The Tools We Build,Build Us Back | Venkatarangan Thirumalai | TEDxThiagarajar College of Engineering

by Venkatarangan Thirumalai · View the channel on PSI

Humanities, Social Sciences & Thought Science — General & History PDScience: general issuesPDRImpact of science and technology on society
🎙 Venkatarangan Thirumalai 👥 44.7M 📅 September 24, 2026 ⏱ 18 min 👁 6 📄 expert opinion 🧭 2026-09-24
Available in: English (current) Français

Keywords

toolmakingAI influencehuman agencyJane Goodallcognitive shift

Summary

Venkatarangan Thirumalai’s TEDx talk explores the evolution of tools from simple implements to AI systems that are beginning to shape their creators. He begins with Jane Goodall’s observation of a chimpanzee using a stick to extract termites, the earliest recorded example of tool use. He then traces the deliberate creation of stone tools 3.3 million years ago, which predates Homo sapiens, and discusses how tools have always required human agency to be activated. From a Coca-Cola bottle accidentally landing with a tribe to a hammer or a book, tools wait for a user. However, with the advent of generative AI, this dynamic is changing: AI does not wait but analyzes and makes decisions, like the time it revised his book but omitted his failures, or when he built software purely through prompts. This marks the first time a tool influences thought processes and decisions. Thirumalai argues that while tools have always altered environments, AI is unique in altering cognition. He advises students to become toolmakers by building with AI, to retain ownership and pride like his grandfather’s publishing philosophy, and to use AI’s ‘superpowers’ responsibly to create novel things. He closes with a metaphor of two engineering labs: one banning calculators to build calculation skills, the other encouraging them; both have merit but the order matters—learn fundamentals, then use AI to go further.

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Critical Evaluation

Value of the Information & Strength of the Argument

The talk’s value lies in its coherent philosophical narrative linking ancient tool use to modern AI, illustrating a shift in the human-tool relationship. The argument is personal and anecdotal, with clear structure: from passive tools (hammer, book, software) to active AI that decides and influences. The speaker uses storytelling (Jane Goodall, the Coke bottle movie, his own experiments) to make abstract concepts accessible. The argument is logically sound, though it lacks empirical data or rigorous citation. It raises important ethical and practical questions about human agency and responsibility in the age of AI.

Scientific Rigor, Source Quality, Title Accuracy

Scientific rigor is moderate: the speaker references historical facts (stone tools in Kenya, Jane Goodall’s studies) but does not provide sources. The description includes only a link to TEDx, which is generic. The title accurately captures the central thesis: tools now ‘build us back’. There are no comments to gauge public reception.

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Title / Content Match

The title accurately reflects the core theme: tools, especially AI, are now actively shaping their creators.

Quality & Reliability

7/10

The talk provides a personal and philosophical perspective on tools and AI, drawing on historical examples and personal anecdotes. While not rigorously sourced, it offers coherent reasoning and references to well-known events and concepts. The speaker's expertise as a software entrepreneur adds credibility, but the content is largely subjective and lacks empirical evidence.

Key Moments

Markers derived by PSI from the transcript: the creator did not define chapters.

Cited Sources

  • Jane Goodall's research on chimpanzees — Early tool use observed in chimpanzees
  • Stone tools from Lomekwi, Kenya — Archaeological discovery of 3.3 million-year-old tools
  • TEDx program — This talk was given at a TEDx event

Concurring Sources

  • TEDx Talks — Official TEDx platform where the talk is hosted

Contribution & Novelties

The talk offers a fresh perspective on AI by framing it as the first tool that actively shapes its creators, contrasting with the historical passivity of tools. It synthesizes examples from primatology, archaeology, and personal experience to illustrate a cognitive shift. The speaker’s concept of ’toolmaker pride’ and his advice to not let AI erase failure stories provides a novel ethical stance.

Pour aller plus loin :

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Radar Profile

The radar profile shows moderate scores across the board, reflecting a talk that is informative and coherent but lacks strong technical depth and empirical grounding. The highest score is in information quality, indicating a valuable narrative, while technical niveau is lower due to its non-specialist approach.

Reliability 6/10