Why We ‘Hear’ Some Silent GIFs

Does anyone in visual perception know why you can hear this gif? pic.twitter.com/mcT22Lzfkp

— Lisa DeBruine ️‍ (@lisadebruine) Dec. 2, 2017

When she asked Twitter users in an unscientific survey whether they could hear the image — which actually lacks sound, like most animated GIFs — nearly 70 percent who responded said they could.

Once you “heard” it, it was hard not to start noticing that other GIFs also seemed to be making noise — as if the bouncing pylon had somehow jacked up the volume on a cacophonous orchestra few had noticed before.

Look at the other images and read the article on the NYTimes https://www.nytimes.com/2017/12/08/science/why-we-hear-some-silent-gifs.html

10 Brainteasers to Test Your Mental Sharpness

0714_brain-idea_300x3003From Forbes

To test your mental acuity, answer the following questions (no peeking at the answers!):

1. Johnny’s mother had three children. The first child was named April. The second child was named May. What was the third child’s name?

2. A clerk at a butcher shop stands five feet ten inches tall and wears size 13 sneakers. What does he weigh?

3. Before Mt. Everest was discovered, what was the highest mountain in the world?

4. How much dirt is there in a hole that measures two feet by three feet by four feet?

5. What word in the English language is always spelled incorrectly?

6. Billie was born on December 28th, yet her birthday always falls in the summer. How is this possible?

7. In British Columbia you cannot take a picture of a man with a wooden leg. Why not?

8. If you were running a race and you passed the person in 2nd place, what place would you be in now?

9. Which is correct to say, “The yolk of the egg is white” or “The yolk of the egg are white?”

10. A farmer has five haystacks in one field and four haystacks in another. How many haystacks would he have if he combined them all in one field?