Description: The Gathering, also referred to as G4Gn (n denoting the number in the series), is a biennial conference that started with G4G1 in 1993. At each Gathering, there are lectures, performance art, puzzle and book displays, close-up and stage magic acts, and guided sculpture building. Traditionally, each conference has a Gift Exchange in which attendees swap puzzles, magic tricks, artwork, mathematical papers, novelty items, books, etc. The following items were exchange gifts from several different Gatherings.DodecaMirror by Roger G. GilbertsonTurn any flat pattern or image into the faces of a dodecahedron! Polytakis Reflect by Caspar Schwabe1. Fold up the flexing kaleidoscope.2. Insert straws and see polyhedra. Wonderpack (blue) gifted by Mark Mittonfold . bend . scramble . cut . distort . illuminate As early as the 1600s wealthy collectors used luxurious cabinets to store and organize a wide variety of natural wonders and artificial curiosities. The seven cards in this paper cabinet offer timeless optical amusements inspired by ingenious explorations into science and art. Use these cards to make your own set of age-old illusions and optical tricks. Plaity Push by Martin H. WatsonPlait the flaps to form 5 different pentominoes. Light SpinTop from Kenneth BrecherProject LITE: Light Inquiry Through Experiments. Celebration of Mind postcard by Scott KimMagic, mathematics & mystery united, Martin Gardner's celebration of mind, math, puzzles, skepticism, games, and Lewis Carroll The Two Arcs Illusion Shepards Table Top by Gary Foshee Yet Another Proof that 1 + 1 = 2 by Doug McKennaRotate one copy of this self-avoiding path (in the recursive limit, a space-filling curve of area 1) by 180 degrees, place it over the original and register the two until there's no intersection. A 1 x 2 rectangle becomes perfectly filled. Anamor4G by István OroszAnamorphic artists play with perspective to create a distorted image that appears normal only when viewed from the correct angle or with the aid of curved mirrors (anamorphosis is the Greek for "to form again"). The technique was discovered by Renaissance-era artists. Anamorphic drawing of Martin Gardner by Karen MortillaroI am sure that if Lewis Carroll and Martin Gardner met they would have had a lasting friendship with many fascinating conversations. This gift pays homage to both men. An Anamorphic Exchange Gift by Kenneth BrecherMartin Gardner published a cover article about anamorphic art in the January 1975 issue of Scientific American (232, No. 1, pp. 110-116; reprinted in Time Travel and Other Mathematical Bewilderments). It introduced many 20th century readers to this wonderful combination of art and science for the first time.
Price: 30.03 USD
Location: Burlingame, California
End Time: 2024-11-20T18:00:01.000Z
Shipping Cost: 0 USD
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All returns accepted: ReturnsNotAccepted
Type: Illusions
