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Shadow & Ball. Carefully note the trajectory of the ball and its shadow.

Shadow & Ball

Does the ball appear to rise above the floor of the checkerboard pattern? Is there any ambiguity in the trajectory of the ball? Change the shadow to a diagonal shadow. Does the diagonal shadow make the ball appear to roll across the floor and go to another depth plane. Is the trajectory of the ball any different from when there was a horizontal shadow? What happens when you combine shadows? What happens when there is no shadow? So What ís Going On? Without a shadow the ball's motion is ambiguous. Your visual system can not decide between the two simplest possibilities for the movement of the ball. Actually, there are an infinite variety of possible paths for the ball to take, but your visual system selects only two simple paths. Faced with an ambiguous situation, your visual system looks for any clue that can resolve the ambiguity.

Kersten, D. Kersten, D., Mamassian, P., & Knill, D. Knill, D. Entire web site©1997 IllusionWorks, L.L.C. 25 Old Ads That Couldn’t Be Published Today. 25 Old Ads That Couldn’t Be Published Today Jon December 29, 2010 2 Meanwhile In Japan – KillMyDayNow.com How To Pack Like A Pro – Steven Humour.com Funniest Signs – BizarreSigns.com How To Survive In The Wild – SillyVillage.com Top 10 Misconceptions Dispelled – MisconceptionJunction.com Funny Random Pictures – DumpaDay.com by Taboolaby Taboola Sponsored ContentSponsored Content Promoted ContentPromoted Content MORE FROM THE WEBFrom The Web.

25 Old Ads That Couldn’t Be Published Today

15 Anthropomorphic Objects - web pulp 2.0& Have you ever seen a common everyday object and could swear that its smiling at you?

15 Anthropomorphic Objects - web pulp 2.0&

Well, it could be that funny looking cigarette you have been smoking, or its just anthropomorphic! Cool Dashboard Is Cool Happy Toothbrush Holders Are Happy This Mailbox Is On A Smoke Break This Music Makes Everyone Smile Serious Street Sign Is Serious OMG Building Life Boat Kisses Feed The Troll To Open The Gate Drunk Octopus Wants To Fight You Baby Potato Is Upset Happy Meter Is Happry Oh Shit! Yay! Smiley Car Seat Angry Macaroni For More Fun Follow @JoeHall. Bathing machines. The bathing machine was a device, popular in the 18th and 19th centuries, to allow people to change out of their usual clothes, possibly change into swimwear and then wade in the ocean at beaches.

Bathing machines were roofed and walled wooden carts rolled into the sea. Some had solid wooden walls; others had canvas walls over a wooden frame. Rare Photographs From Star Wars. A wonderful collection of rare, behind the scenes photographs from Star Wars: A New Hope, The Empire Strikes Back, and Return of the Jedi:

Rare Photographs From Star Wars

18 Vintage Mugshots From The Twenties. I recently stumbled onto these amazing mugshots of Australian inmates of all kinds.

18 Vintage Mugshots From The Twenties

Whores, gangsters, fraudsters, and crooks of every kind circa 1920. The quality that these were restored to is nothing short of astounding, capturing every detail and quirk of each prisoner. With names like Silent Tom, De Gracy and Montague, this is a fascinating look into the criminal world of yesteryear. 17 more mugshots after the jump! Aperture Science Form. Have you seen this cat? “Miles” Kind of blue.... - Low Brow Eye. 3D Painted Rooms - 2Loop.com. 032.jpg (JPEG Image, 552x350 pixels) Feel afraid - First Haunting. Creepy Cartoons by Sheharzad Arshad & 1867: Canadian Collective. %7Be4e28807-361d-44b2-8681-b42f76405d24%7D.gif from caglecartoons.com.