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Entries for 'Ken Brey'

Geek Challenge Results: Malleable Mystery

We had one correct answer to the Geek Challenge last month, and it came from Allen Hutchison of Smalley Steel Ring. The correct answer is D, that all three transformations are possible. Thanks to Han Yang for providing the content for the Mallea...


Geek Challenge: Malleable Mystery

January’s Geek challenge is from the field of Topology, which is the study of continuity and connectivity of shapes. This field of math gives us such gems as the Hairy Ball Theorem.   A Continuous Deformation of a shape is what you can ...


Geek Challenge Results: Baffling Figure

The best use of the mystery figure (in my opinion), and the answer to last month’s Geek Challenge is B: Used as an element of a proof of the Pythagorean Theorem. The figure generates an amazingly short derivation of the theorem, as ou...


Geek Challenge: Baffling Figure

What is distinctive about this figure?   A. It is the optimum target for focusing a monochrome cameras B. It is an element of a proof of the Pythagorean Theorem C. It is used to design a centerless spiral staircase D.&nbs...


Line-scan the Moon

Line-scanning is a digital photography technique that uses a special camera with only a single line of pixels instead of the usual rectangular area. Rather than taking an image all at once, the camera and object are typically moved relative to each o...


Geek Challenge: Perfectly Random Puzzle

Four groups of 225 random 0’s and 1’s are presented.  One of these groups is perfectly random like a coin flip (although calculated from Excel’s RAND() function).  The other three groups, while still random, have...


Geek Challenge Results: Gravity Race Riddle

Last month's Geek Challenge asked, "What is the quickest way to get from point A to point B?" And they’re off! Path A, the Line, starts with a commanding advantage, having the shortest distance to travel by taking a...


Geek Challenge: Gravity Race Riddle

This month’s Geek Challenge is about the quickest way to get from A to B. An object is released from rest at Point A.  Influenced by the constant vertical acceleration of gravity, it slides on a frictionless path to Point B (if it's...


Geek Challenge: March Madness

This month’s Geek Challenge was created in conjunction with Kevin Ferrigno. The challenge is to pick the winners of this year’s NCAA tournament, not by choosing teams, but by picking the winning formula. You can use this spreadsheet to pr...


Leap Day Competition at DMC

On February 29th, DMC celebrated Leap Day with a little friendly competition.  With some tape on the floor, I set up an event court for a Standing Long Jump competition.  Standing Long Jump was an Olympic event until from 1900-1912, and I r...


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