13 | Neha Narula on Blockchain, Cryptocurrency, and the Future of the Internet

13 | Neha Narula on Blockchain, Cryptocurrency, and the Future of the Internet

For something of such obvious importance, money is kind of mysterious. It can, as Homer Simpson once memorably noted, be exchanged for goods and services. But who decides exactly how many goods/services a given unit of money can buy? And what maintains the social contract that we all agree to go along with it? Technology is changing what money is and how we use it, and Neha Narula is a leader in thinking about where money is going. One much-hyped aspect is the advent of blockchain technology, which has led to cryptocurrencies such as Bitcoin. We talk about what the blockchain really is, how it enables new kinds of currency, and from a wider perspective whether it can help restore a more individualistic, decentralized Web. Neha Narula is the Director of the Digital Currency Initiative at MIT. She obtained her Ph.D. in computer science from MIT, and worked at Google and Digg before joining the faculty there. She is an expert on scalable databases, secure software, cryptocurrencies, and online privacy.

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330 | Petter Törnberg on the Dynamics of (Mis)Information

330 | Petter Törnberg on the Dynamics of (Mis)Information

A characteristic of complex systems is that individual components combine to exhibit large-scale emergent behavior even when the components were not specifically designed for any particular purpose wi...

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329 | Steven Pinker on Rationality and Common Knowledge

329 | Steven Pinker on Rationality and Common Knowledge

Getting along in society requires that we mostly adhere to certainly shared norms and customs. Often it's not enough that we all know what the rules are, but also that everyone else knows the rules, a...

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328 | Mary Roach on Replacing Parts of Our Bodies

328 | Mary Roach on Replacing Parts of Our Bodies

Like any machine, bodies occasionally break down, and it's natural to go in search of a replacement part. Ancient societies featured simple prosthetics for teeth, noses, and limbs, while modern medici...

15 Syys 20251h 7min

AMA | September 2025

AMA | September 2025

Welcome to the September 2025 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by P...

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327 | Cass Sunstein on Liberalism

327 | Cass Sunstein on Liberalism

"Liberalism," divorced from its particular connotations in this or that modern political context, refers broadly to a philosophy of individual rights, liberties, and responsibilities, coupled with res...

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326 | Natalie Batalha on What We Know and Will Learn About Exoplanets

326 | Natalie Batalha on What We Know and Will Learn About Exoplanets

In a relatively short period of time, exoplanets (planets around stars other than our Sun) have gone from an intriguing conjecture to an active field of scientific study, with over 5,000 confirmed dis...

25 Elo 20251h 12min

325 | Alvy Ray Smith on Pixar, Pixels, and the Great Digital Convergence

325 | Alvy Ray Smith on Pixar, Pixels, and the Great Digital Convergence

The world is becoming pixelated. As computers and other digital devices become ubiquitous, human knowledge and communication and information is gradually being converted into, and manipulated as, stri...

18 Elo 20251h 26min

324 | Elizabeth Mynatt on Universities and the Importance of Basic Research

324 | Elizabeth Mynatt on Universities and the Importance of Basic Research

It is not manifestly obvious that universities should be where most scholarly research is performed. One could imagine systems that separated out the tasks of "teaching students" and "generating new k...

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