A cool collection of optical illusions.

1. Read out loud the text inside the triangle below. I bet you didn’t notice that THE is repeated twice!

2. What words can you see?

3. What words can you see?

4. How many Fs are there in this phrase? FINISHED FILES ARE THE RE SULT OF YEARS OF SCIENTI FIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS... There are six. Spotting three or four is common. Six means you are a genius! Your brain cannot process the word of, so it does not notice that it is there. WEIRD!!!

5. O lny srmat poelpe can ra ed this. I cdnuolt blveiee that I cluod aulaclty uesdnatnrd what I was rdanieg. The phaonmneal pweor of the hmuan mnid, aoccdrnig to a rscheearch at Cmabrigde Uinervtisy, it deosn't mttaer in what oredr the ltteers in a word are, the olny iprmoatnt tihng is that the first and last ltteer be in the rgh it pclae. The rset can be a taotl mses and you can still raed it wouthit a porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the word as a wlohe. Amzanig huh?! Yaeh and I awlyas tghuhot slpeling was ipmorantt! If you can raed th is psas it on !!

7. Red Lines 1 This is a photograph of Neuchatel, Switzerland. It looks like someone has taken a red pencil and has drawn a couple of lines on the picture, right ? Wrong !

8. Red Lines 2 The red lines you see are actually PAINTED ON THE BUILDINGS ! It only looks right from one particular viewpoint.