Games & Puzzles

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Einsteins Riddle Game - Free Online Flash Games Play Download. Expand your vocabulary! Lateral Thinking Puzzles - Preconceptions. Lateral thinking puzzles that challenge your preconceptions. 1. You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus: 1.

An old lady who looks as if she is about to die. 2. An old friend who once saved your life. 3. Brain Teasers, Riddles and Puzzles. Puzzle Pirates. Puzzles by Eric C. Harshbarger. For my whole life I have been interested in puzzles and games, and in the last few years I have been fortunate enough to turn that passion into a profession.

Puzzles by Eric C. Harshbarger

I design all types of puzzles: paper-and-pencil brainteasers, physical/manipulative puzzles, number puzzles, riddles, and all-day scavenger hunts for people to explore. My work has been for companies all around the world. Puzzles of mine have appeared in the Perplexcity alternate-reality games (by Mind Candy), in Wired magazine, GAMES magazine, at Lone Shark Games events, in puzzle calendars, on-line treasure hunts, and so forth. I host annual puzzle parties where many of my initial puzzle ideas are play-tested by very patient friends.

Ever so slowly I will detail some of my creations on this page. A Simple Guide to Cryptography. Cryptography is an ancient mathematical science that was originally used for military communications, and designed to conceal the contents of a message should it fall into the hands of the enemy.

A Simple Guide to Cryptography

Recent developments in cryptography have added additional uses, including mechanisms for authenticating users on a network, ensuring the integrity of transmitted information and preventing users from repudiating (i.e. rejecting ownership of) their transmitted messages. In today's world of electronic commerce on the Internet, the need for secure communications is obviously crucial. Cryptographic technologies provide enterprises with the best mechanisms of protecting their information, without putting the business at risk by exposing it on the Net. What is Encryption? Games for the Brain. Unsolved Problems. There are many unsolved problems in mathematics. Some prominent outstanding unsolved problems (as well as some which are not necessarily so well known) include 1. Ciphers & Puzzles. Index of free personality tests and intelligence tests.

The Perplexus Epic Is The Most Challenging Maze Around. As a kid, I loved mazes.

The Perplexus Epic Is The Most Challenging Maze Around

Every time I went to dinner with my parents, they would make sure the waitress brought one of the kids’ placemats with a maze on it so I could dive in, and solve it. Of course, they were just using my love of maxes to keep me well behaved, and unfortunately for them, I got very good at them very quickly. If they would have had the Perplexus Epic, they could have kept me occupied on many dinner outings. The Superplexus. This is the three-dimensional spherical labyrinth that challenges the limits of your manual dexterity and spatial understanding as you maneuver a 5/8" wooden marble through its entire course.

The Superplexus

The Superplexus is a complex network of chicanes, multi-planar hairpin turns, spirals, and staircases--even a vortex. Hand made from 3- and 6-ply Finnish birch that form the track, over 400 hours are involved in its construction. The labyrinth is set inside a 36" diameter acrylic sphere affixed to a Jatoba base using a stainless steel gimbaled mount that allows you to tilt the sphere in any direction to guide the marble. The entire track laid out on a straight line is 31' longer than a football field. 30 Questions Guaranteed to Make You Think. Instead of giving you information that you want, I’m going to teach you something today by being indirect.

30 Questions Guaranteed to Make You Think

Here’s the lesson: everything you need, every revelation I’ve had, and everything that I could possibly write about on this blog, ca n be found inside yourself. As in – with the proper thinking and questioning, you too can come to the conclusions that I’ve come to. You can help yourself instead of depending on me for help. “But Brett,” you ask, “Won’t that render you obsolete? Rubik cube solved in 20 movements or less. Brain Games & Brain Training. Sporcle.com: mentally stimulating diversions. Personality Tests. List of paradoxes. This is a list of paradoxes, grouped thematically.

List of paradoxes

The grouping is approximate, as paradoxes may fit into more than one category. Because of varying definitions of the term paradox, some of the following are not considered to be paradoxes by everyone. This list collects only scenarios that have been called a paradox by at least one source and have their own article. Some paradoxes - an anthology. Optical Illusions and Visual Phenomena. Test Your Brain With Brain Teasers and Games. Below you can find the Top 50 Brain Teasers and Games that Sharp­Brains read­ers have enjoyed the most.

Test Your Brain With Brain Teasers and Games

It is always good to learn about our brains and to exer­cise them! This is our selec­tion of fun and enlight­en­ing brain teasers for adults of any age. Fun exper­i­ments on how our brains work 1. You think you know the col­ors? The Tree of Logic. Optical Illusions. Gotcha!

Optical Illusions

But the rest of these optical illusions are on the level. What are illusions? Illusions trick us into perceiving something differently than it actually exists, so what we see does not correspond to physical reality. Very Difficult Analytical Puzzles. 3.

Very Difficult Analytical Puzzles

The Fake Coin You have twelve coins. You know that one is fake. Sliding Block Puzzles. The Hardest Logic Puzzle Ever. The Hardest Logic Puzzle Ever is a logic puzzle invented by American philosopher and logician George Boolos and published in The Harvard Review of Philosophy in 1996.

The Hardest Logic Puzzle Ever

A translation in Italian was published earlier in the newspaper La Repubblica, under the title L'indovinello più difficile del mondo. The puzzle is inspired by Raymond Smullyan. Puzzles.COM Home. Laser.swf (application/x-shockwave-flash Object) Kuku Impenetrable Metal Ball Puzzle. Magic IQ Gift Box. Fiendish Japanese Pocket Puzzle. Isis Impossible Metal Puzzle.

Revomaze Extreme Puzzle. Creativity Challenge . Creativity . PBS Parents. Home » Flex your problem-solving muscles and spark your inventiveness. Compose your own gymnastics routine on the uneven bars. Will you stick your landing? Play Uneven Bars » Educational Games @ nobelprize.org. NEURO SCIENCES Find out more about our nervous system in 18 animated stops. Have a look! Or watch the documentary The Mystery of Memory which provides a unique insight into the secrets of the brain's astounding ability to record and recall information, and includes interviews with some of today's most prominent scientists, such as Eric Kandel, 2000 Nobel Laureate in Physiology or Medicine.

Watch "The Mystery of Memory" 29 min. In order to see the video you need Adobe Flash PlayerCopyright © Nobel Media AB 2009Credits: Kikim Media (production) IQ Matrix Blog: Accelerating Your Human Potential. NewMedia Puzzler.