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Zone Proxima presents Early Childhood Math: Ages 4.5 - 6.5
The physical gift bag Zone Proxima Math flier title: Zone Proxima presents Early Childhood Math: Ages 4.5 - 6.5
In the spirit of G4G, Zone Proxima offers the opportunity for adults (parents, caregivers, educators, and philanthropists) to improve…
In the spirit of G4G, Zone Proxima offers the opportunity for adults (parents, caregivers, educators, and philanthropists) to improve…
Elevating Tessellations into Three Dimensions: Approximating Geodesic Domes
Elevating tessellations to act as nets for geodesic domes have many applications in structural engineering, math, and synthetic biology. In this paper I describe a net and a 3D version of a heptagon-containing polyhedra, as well as sphericity…
Circo Mathematico Deck of Cards
For it's decade of existence the Circo Matemático (mathematical circus), a autonome group of popularisers of mathematics part of the Ludus Association, designed a deck of cards.
The poker-sized cards (63x88 mm) are COPAG 310 quality, slimline, with…
The poker-sized cards (63x88 mm) are COPAG 310 quality, slimline, with…
Introducing the MESMOID
The MESMOID is a right circular cylinder with an eccentric circle cut out of it. Because of its design, it can act like a rolling pendulum. Unlike a coin or wheel, when rolled it moves back and forth instead of in one direction only.
It is a…
It is a…
Dymaxion Map papercut orament
This is a color print of a Dymaxion Map or Fuller Map that can be cut out and folded into an icosahedron.
On Spinning and Toppling Coins -- Did Martin Gardner Change His Mind?
When you spin a penny on a smooth tabletop and let it fall heads or tails, is there a bias toward one side? Or is it a 50/50 expectation? Martin Gardner claimed over the years that there is a heads bias, or a tails bias, but didn't explain why he…
Patterns in a Botanical Garden
Mathematics can help illuminate and enrich our understanding of the many patterns found in a botanical garden. Instances of spirals, fractals, Fibonacci numbers, spherical geometry, and various types of symmetry, all among Martin Gardner's favorite…
ROOT(Math Success) = Childhood + Concrete Analogs + Challenges
In the spirit of G4G, Zone Proxima offers the opportunity for adults (parents, caregivers, educators, and philanthropists) to improve individual and collective mathematics achievement. Zone Proxima Math inspires young children to solve mathematics…
Finding a Four Leaf Clover
People may think computer punch cards are obsolete, but their durable form factor mean they are a fascinating snapshot into how people stored data and wrote programs over fifty years ago. I've acquired several boxes of punch cards which were used in…
Qubit Model
A physical Bloch Sphere (Qubit Model), useful for learning about Quantum Computing.
Music Box Playing the Fibonacci Kecak
Recent Geometric Sculpture
This music box is structurally incapable of being rotated in reverse.
To hear the passage you just heard again, you would have to keep turning the crank for nearly five days without sleep or rest.
The title of this work is "El caja de música de…
To hear the passage you just heard again, you would have to keep turning the crank for nearly five days without sleep or rest.
The title of this work is "El caja de música de…
The Book of Why Postcard
This item is a postcard announcing The Book of Why, by Judea Pearl and Dana Mackenzie, a book to be published in May 2018 by Basic Books. This book confronts the hoary old adage, "Correlation is not causation," which has been taught to generations of…
A Gift of the Number 13 for G4G13
Participants will receive one spruce cone along with instructions on how to read the number 13 in it.
Global Maps - Past and Future
Two Lenticular cards from Germany - one shows Pangea the last supercontinent 300 million years ago, and the second card shows the map of the globe in the next Heat Age when all the ice melts. This may result in a net gain in land!
Knotted Bracelet
A hand-made rubber bracelet in the form of a trefoil knot. It is a mathematical curiosity, a puzzle, an impossible object, and a piece of nerdy jewelry.
Surface Tension Bar Bet
It is a set of objects (one yen, match, cheerio, etc.) with a small instruction sheet for puzzle/ bets and references.
