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Optical Illusion. Can You Find All The Y's in the picture?

I found this cool Optical Illusion at Brainden.com You can visit them for much more Optical Illusions and Brain Teasers. S...

Showing posts with label Puzzle. Show all posts
Showing posts with label Puzzle. Show all posts

Friday, April 25, 2014

How effective are crosswords?

Many people believe that doing crossword puzzles can keep the brain sharp, and even prevent Alzheimer’s.
But it’s probably not true. Research suggests that while crosswords can form one part of a brain fitness regimen, they aren’t enough by themselves. And a recent study that pitted crossword puzzles against Posit Science brain training found that BrainHQ training improved cognitive function while crosswords seemed to have no positive effects.
Crosswords may help with a brain function called fluency, or word finding. Fluency is a type of process based in the speech and language centers of the brain. But watch out: only crosswords that challenge you can help your brain improve its function. Crossword puzzles that are too easy won’t help—you have to push yourself to the next level to change your brain. And although fluency is an important brain function, it’s just one of many.
Crosswords might not keep you sharp, but they are fun! Try our brain-trivia crossword to see how much you know about the brain. Or, to learn more about research on the effects ofcrosswords vs. brain training, read about this independent, peer-reviewed study in 681 participants.

Wednesday, May 16, 2012

The 9 dots puzzle

The 9 dots puzzle
The 9 dots puzzle

Here's the 9 dots puzzle

.
The 9 dots puzzle requires joining all 9 dots using 4 straight lines. 
What confuses you is the idea of using the square space defined by the dots. In fact you need to 'think out of the box'.
Literally, and here you got the solution.

Wednesday, May 2, 2012

Can you solve the Rubik's cube?

You have certainly laid your hands on this cube. The Rubik's cube  is a 3-D mechanical puzzle invented in 1974 by Erno Rubik, a famous Hungarian sculptor and professor of architecture. Also known as "The magic cube" it requires quite some time and patience in order to be solved.
Can you solve it?

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