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Interesting Paradoxes: The Ladder Paradox

The Ladder Paradox is a famous thought experiment in special relativity that beautifully demonstrates the relativity of simultaneity for two observers. Also known as the barn-pole paradox, it is an interesting paradox in physics that is fun to study and easy to solve.


Interesting Paradoxes: The Monty Hall Problem

The Monty Hall Problem, featured in "Brooklyn Nine-Nine," is a famous puzzle about probability first posed in 1975. While not a paradox in the strictest sense, it is still a fun riddle to solve on lazy Sundays or in brainstorming sessions.


Interesting Paradoxes: Aristotle's Wheel

This article examines the Aristotle's Wheel paradox: Two points, one on the edge and one inside a wheel, travel at different speeds. The inner point has a smaller circumference, but, after one revolution, both the points have arrived at the same distance from where they started. How?


Interesting Paradoxes: Achilles and the Tortoise

Science may be all facts, but perspective matters. Learn about a famous and interesting paradox about Achilles and the Tortoise, first proposed by ancient Greek philosopher Zeno.


How to Play Kakuro Puzzles

What happens when crosswords and Sudoku puzzles are combined? We get Kakuro, a logic and mathematics puzzle.


Search for the Golden Hare

In 1979, a publishing sensation sent thousands of people on a treasure hunt in Britain.


The Best Way to Do a Difficult Jigsaw Puzzle

Do you find 500- or 1,000-piece jigsaw puzzles difficult? Here are some tips and tricks to help you out.


A History of Crosswords

The first crossword appeared in 1913 in The New York Post and ushered in an era of frustration for morning newspaper readers.


Top 10 Best Riddles and Answers

Riddles can be great pastimes, funny ways to trick your friends and effective opportunities to broaden your mind. Listed in this article are the top ten best riddles, along with an explanation of their answers for those that prove too tricky.


20 Realistic Lateral Thinking Puzzles and Brain Teasers to Flex Your Mind

Test your brainpower by trying to solve these 20 lateral thinking puzzles. They will have you scratching your head and thinking way outside of the box!


10 Strategies to Help You Solve Word Search Puzzles

Word search puzzles are great fun for many people, but they can sometimes be quite challenging. Presented here are a few strategies that can help find all those words.


Jigsaw Puzzles: History, Types, and Potential Benefits

Solving jigsaw puzzles is an entertaining and absorbing activity for children and adults alike. It may have other benefits in addition to being enjoyable.


6 Different Types of Sudoku Puzzles You Should Try

Did you know that there are more types of sudoku than just the standard 9x9 grid you're used to? Learn about the different types available and test out your logic skills.


7 Rubik's Cube Algorithms to Solve Common Tricky Situations

Are you only a few algorithms short of fully solving the Rubik's Cube? Here is a full and detailed list of seven necessary algorithms to help you when you are stuck in specific situations.


How to Solve a 3x3x3 Rubik's Cube Easily

Impress your friends by solving a Rubik's Cube easily. This method works for standard 3x3x3 Rubik's Cubes.


Einstein's Riddle, the Answer, and What It All Means

This article includes resources, hints, and solutions for an extremely tough riddle!


How to Solve a 2x2x2 Rubik's Cube Quickly

Impress your friends and yourself by solving a 2x2x2 Rubik's Cube quickly. This guide shows you how.


The Easiest Way to Solve a Rubik's Cube, With Step-by-Step Pictures & Video

An easy to use, step-by-step tutorial for solving a Rubik's Cube for beginners, with pictures and videos.


Upgrade Your Skills in Sudoku: Medium and Hard Sudoku Solving Tips With Sample Videos

If you are confident in solving easy Sudoku puzzles, you are probably ready to learn techniques that will prepare you for other levels of Sudoku: medium, hard, and even expert. Check out these tips, which include step-by-step videos demonstrating how to solve hard Sudoku and expert-level puzzles.


5 Easy Steps to Create Your Own Word Search Puzzle

Word search puzzles are an entertaining pastime, but creating personalized seek-and-find puzzles can be even more fun.


The Best Math or Logic Puzzle Ever

For your entertainment, here is one of the best logic puzzles ever. While the answer is given below, give yourself the chance to try hard (for days?) to find the answer yourself. No peeking!


How to Build a 5000-Piece Ravensburger Jigsaw Puzzle

Quick steps to learn how to build any jigsaw puzzle, no matter the number of pieces.


20 Best Riddles Ever

Exercise your brain and develop different and more flexible ways of thinking with these fun riddles!


How to Do Jigsaw Puzzles Like an Expert: 6 Tips

Jigsaw puzzles are a fun and relatively inexpensive hobby that is also good for your brain! They build great spatial reasoning and logic skills. They also make a wonderful family activity, especially on long winter nights.