introduction \n \n karl fulves
1983
Karl Fulves

Introduction

1


twist and link \n spectator holds end of paper construction which must be entangled in seemingly impossible way \n martin gardner \n puzzle in marin gardner's "scientific american" column
1983
Martin Gardner

Twist And Link

Also published here puzzle in Marin Gardner's "Scientific American" column

2


submarine card \n spectator holds card frame with center torn out, its orientation changes while spectator closes his eyes \n robert e. neale \n stepping thru a playing card \n karl fulves \n double talk \n karl fulves
1983
Robert E. Neale

Submarine Card

Variations

3


stepping thru a playing card \n presentation for neale's effect \n karl fulves \n submarine card \n robert e. neale
1983
Karl Fulves

Stepping Thru A Playing Card

Inspired by

5


double talk \n presentation for neale's effect, apparently delaying it \n karl fulves \n submarine card \n robert e. neale
1983
Karl Fulves

Double Talk

Inspired by

5


the trapdoor \n spectator holds card with trapdoor with hole cutout, it is entangled in seemingly impossible way while spectator closes eyes \n robert e. neale \n streamlined trapdoor \n robert e. neale \n belt buckle \n robert e. neale \n double buckle \n robert e. neale \n star gate \n terri rogers \n parallax \n david britland \n a better mousetrap \n michael weber \n the trapdoor \n robert e. neale \n inverter converter \n gene taylor \n step by step trapdoor \n karl fulves \n parallax \n david britland
1983
Robert E. Neale

The Trapdoor

VariationsAlso published here

6


streamlined trapdoor \n simplified design \n robert e. neale \n the trapdoor \n robert e. neale
1983
Robert E. Neale

Streamlined Trapdoor

Inspired by

9


belt buckle \n different design \n robert e. neale \n the trapdoor \n robert e. neale
1983
Robert E. Neale

Belt Buckle

Inspired by

9


double buckle \n different design \n robert e. neale \n the trapdoor \n robert e. neale
1983
Robert E. Neale

Double Buckle

Inspired by

10


flat klein \n paper construction with only one surface \n robert e. neale
1983
Robert E. Neale

Flat Klein

11


slade's braid \n comment on connection with slade's impossible braiding \n karl fulves \n "the church of the fourth dimension" (the unexpected hanging, martin gardner)
1983
Karl Fulves

Slade's Braid

Related to "The Church of the Fourth Dimension" (The Unexpected Hanging, Martin Gardner)

11


easy unlink \n simple topological unlinking \n karl fulves
1983
Karl Fulves

Easy Unlink

11


topological untrap \n topological linking and unlinking of onepiece rubber figure, solution to problem on p. 1 \n karl fulves
1983
Karl Fulves

Topological Untrap

12


step by step trapdoor \n stepbystep instructions of "the trapdoor" \n karl fulves \n the trapdoor \n robert e. neale
1987 ca.
Karl Fulves

Step by Step Trapdoor

Inspired by

13


harry franke's topological tricks \n two square papers with a square hole used for topological fold, another with rectangles with holes \n harry g. franke
1987 ca.
Harry G. Franke

Harry Franke's Topological Tricks

15

