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Running Time:
00:27:55
It's geometry! It's knitting! It's—hyperbolic crochet! Artist and science writer Margaret Wertheim shows you how to represent a hyperbolic plane using crochet hooks and yarn. Beginning with a simple crochet chain, learn how to create a geometric shape with a constant negative curvature just by adding stitches.

Project: MAKE at the Exploratorium | Browse All

Date: July 14, 2007
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science, Art
Running Time:
00:33:42
Tinkerer, programmer, and musician Ken Murphy shows how to build electromechanical "bugs" built from scavenged materials and powered with a single coin-cell battery. When the Blinkybug's wire antennae detect motion from air currents or vibrations, the bug comes to life, with its LED eyes blinking in rhythmic patterns.

Project: MAKE at the Exploratorium | Browse All

Date: July 7, 2007
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science