The Stephen Wolfram Podcast

Science & Technology Q&A for Kids (and others) [October 1, 2021]

Sep 23, 2022

01:25:25

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How Does the Earth End Up Having a Magnetic Field?

02:20

The Magnetic Field of the Earth Changes With Time

04:22

How Does a Bar Magnet Work?

02:12

Introduction

2min

Foraging Techniques for Flying Cockroaches

2min

How Does a Fly Make Its Randomness?

2min

How Randomness Is Generated in the Brain of the Fly

2min

What's the Difference Between Walking, Trot, Canter, Gallop?

2min

How Do We Know Why the Fish Made That Pattern?

2min

The Purpose of the Fish

3min

How to Make a Plastic Elephant

1min

How Do Threedy Printers Work?

4min

10.

Architecture From Science

4min

11.

Building a Building From Rules

2min

12.

Does the Roof Leak?

2min

13.

Can You Build a Suspension Bridge?

3min

14.

Traffic Light Systems - How Do They Work?

2min

15.

How Do You Avoid Gridlock?

4min

16.

Is There a Time Delay in Road Traffic?

2min

17.

Traffic Flow Modelling Is a Multiscale Thing

4min

18.

Is It Red and Yellow at the Same Time?

2min

19.

How Are the Magnetic North and Geographical North Poles Related?

2min

20.

How Does a Bar Magnet Work?

2min

21.

How Does the Earth End Up Having a Magnetic Field?

2min

22.

The Magnetic Field of the Earth Changes With Time

4min

23.

What Is Carboniferous Carbon Bearing?

4min

24.

How Much Oil Is There?

3min

25.

The Problem of Oil and Water Mixing in Porous Rock

2min

26.

How This Series Might Evolve?

3min

27.

Is This a Good Idea?

2min

28.

Is There a Neural Network?

3min

29.

What Are Matrixes?

2min

30.

How Do You Transform a Point in Three Dimensional Space?

2min

31.

Is There a Matrix Product Operation That Produces a Constant?

3min

32.

The Big Picture of Igen Vectors

1min

33.

A, Am, and a Look Forward to a Talking With You Another Time.

2min

Stephen Wolfram answers general questions from his viewers about science and technology as part of an unscripted livestream series, also available on YouTube here: https://wolfr.am/youtube-sw-qa

Questions include: Why do flies fly around seemingly constantly with no apparent goal whatsoever? - Why don't we make houses out of some kind of amber and then carve them? - How do traffic light systems work? - Does Stephen prepare any of the answers? they are all so clear and thought out - Hello, how are the magnetic north and geographical north related? - 1 How come oil is deposited in Arctic regions? - Could you please explain what Eigenvalues/vectors and what you can do with them. Thanks.

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