Conway's Game of Life: Part 6 (A Chronology of Spaceship Discoveries - Glider, LWSS, 25P3H1V0, etc)
This video relates the discoveries in the 1970s and 1980s of various spaceships in Conway's Game of Life cellular automata simulation. The Speed of Light concept is discussed in detail. Details are then given for the Glider, the Lightweight Spaceship, 25P3H1V0.1 and 119P4H1V0. These were discovered respectively by Richard Guy, John Conway and Dean Hickerson. Various other items of interest in the video are: a demonstration of a signal travelling along a Zebra Pattern Wire, a glider synthesis of a LWSS by Dave Buckingham and finally a spectacular sequence showing a 25P3H1V0.1 gun operating which was discovered in 2020 by Entity Valkyrie.
Key terms: Game of Life, GOL, Richard Guy, John Conway, Dean Hickerson, Dave Buckingham, Entity Valkyrie, Cambridge University, University of California at Davis, Speed of Light, Signal, Zebra Stripe Wire, c/2, c/3, c/4, orthogonal, diagonal, Gilder, Spaceship, LWSS, Glider Synthesis, Gun, Erdos Number, Apple IIe
Chapters
0:00 Intro
0:20 Speed of Light
1:12 Zebra Stripe Wire
1:55 Glider
3:56 Lightweight Spaceship LWSS
5:18 Glider Synthesis of a LWSS
5:51 25P3H1V0.1, Erdos Number, Dean Hickerson
9:25 Dean Hickerson & Apple IIe
10:36 119P4H1V0
12:50 The 25P3H1V0.1 Gun
15:04 End Links
Other titles in this series are:
Conway's Game of Life: Part 1 (a gentle introduction / tutorial / explanation)
https://youtu.be/484FWxvO-Ro
Conway's Game of Life: Part 2 (Gliders, Crashes & Still Life)
https://youtu.be/gIRBuHkVcLc
Conway's Game of Life: Part 3 (Order from Chaos)
https://youtu.be/ASj3gDEirqY
Conway's Game of Life: Part 4 (Gliders, Spaceships and the Speed of Light)
https://youtu.be/rIEM1-pAwTI
Conway's Game of Life: Part 5 (Gosper's Gilder Gun - A Fantastic Tale of Discovery)
https://youtu.be/i6suvH2TvHg
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