Animations Reveal the Tricks Moving Optical Illusions Play On Your Brain

Even when you know how an optical illusion works, it can be hard to convince your senses that what you're seeing isn't real. The best way to demystify an illusion isn't necessarily to read about it—sometimes, you just need to see the image from a different perspective.

These moving illusions from Lenstore use clever animations to reveal the mechanisms behind their visual trickery. The second image in the slideshow is an Ebbinghaus illusion. As the cluster of blue circles gets bigger, the red circle in the center appears to shrink, and the opposite seems to happen when the blue circles contract. Hit the Reveal button and you'll see that the red circle actually stays the same size the whole time; this is the result of relative size perception.

The third optical illusion shows four sets of lines, with the parallel lines apparently moving back and forth together. In reality, the four lines are all part of the same moving square. The trick behind this illusion is called motion binding: When two sets of objects are in motion in front of you, the movements of one set affect how you perceive the movements of the other. Your brain constructs a pattern for the line movements that doesn't exist.

Once the solutions have been revealed, you may still have trouble reconciling what you see with what you know to be true. But at the very least, turning the illusions off in the moving images below should give your brain a break.

A Handy Map of All the Royal Residences in the UK

Frogmore House, Prince Harry and Meghan Markle's primary estate on the grounds of Windsor Castle.
Frogmore House, Prince Harry and Meghan Markle's primary estate on the grounds of Windsor Castle.

Somewhere along the way, you probably learned that Buckingham Palace is home to the ruler of the United Kingdom and many unflinching, fancily clad guards. And, if you watch The Crown or keep a close eye on royal family news, you might recognize the names of other estates like Windsor Castle and Kensington Palace.

But what about Gatcombe Park, Llwynywermod, or any of the other royal residences? To fill in the gaps of your knowledge, UK-based money-lending site QuickQuid created a map and corresponding illustrations of all 20 properties, and compiled the need-to-know details about each place.

quickquid map of royal family residences
QuickQuid

Queen Elizabeth II and Prince Philip kept eight estates for themselves, and divvied up the rest among their children and grandchildren, some of whom have purchased their own properties, too. Though Buckingham Palace is still considered the official residence of the Queen, she now splits most of her time between Windsor Castle and other holiday homes like Balmoral Castle in Scotland and Sandringham House, which Prince Philip is responsible for maintaining.

quickquid illustration of royal family residences
QuickQuid

Windsor shares its grounds with two other properties: Prince Harry and Meghan Markle’s home, Frogmore House, and the Royal Lodge, where Prince Andrew (the Queen’s second youngest child) lives.

illustration of frogmore house
QuickQuid

Southwest of Windsor is Highgrove House, Prince Charles’s official family home with wife Camilla, Duchess of Cornwall. They also own Birkhall in Scotland, Clarence House in London, Tamarisk House on the Isles of Scilly, and the aforementioned Llwynywermod in Wales. Much like the Queen herself does, Charles and Camilla basically have a different house for each region they visit.

illustration of highgrove house
QuickQuid

In 2011, the Queen gave Anmer Hall—which is on the grounds of Sandringham House—to Prince William and Kate Middleton as a wedding gift, but they’ve recently relocated to Kensington Palace so Prince George could attend school in London.

Queen Elizabeth and Prince Philip’s only daughter, Anne, resides in Gatcombe Park with her daughter, Zara Tindall. Anne also owns St. James’s Palace in London, where her niece (Princess Beatrice of York) and her mother’s cousin (Princess Alexandra) sometimes live.

Lastly there's Edward, Elizabeth and Philip's youngest son, who lives with his wife in Bagshot Park, which architectural historian Nikolaus Pevsner called “bad, purposeless, [and] ugly.”

illustration of bagshot park
QuickQuid

If you’re feeling particularly cramped in your tiny one-bedroom apartment (or even regular-sized house) after reading about the royal family’s overabundance of real estate, take solace in the knowledge that at least you’ll never have to follow their strict fashion rules.

A Book Fair for Grown-Ups Is Coming to New York

seb_ra/iStock via Getty Images
seb_ra/iStock via Getty Images

Amid all the prepubescent drama and uncertainty of elementary school was one glimmering spot of hope and happiness: the Scholastic Book Fair. Getting to take just a few minutes out of your regular school day to wander the temporary bookshelves seemed about as enchanting as walking through the wardrobe into Narnia.

For folks who’ve been chasing that particular brand of ecstasy well into their adult lives, we have some big news. Next month, Penguin Random House is hosting a book fair for grown-ups. The Pop Insider reports that the event will take place at Lightbox in New York on Saturday, November 23, and you must be at least 21 years old to attend.

It’s not intended to be an exact replica of the book fair from your own school days, but rather a full-fledged recreation of your entire grade-school experience. The electronic invitation promises pop culture trivia, Mad Libs, an “awkward school photo booth,” spin art, snap bracelets, Mr. Sketch markers, cubbies, and “severe middle school flashbacks.”

There will also, of course, be books for sale, though it’s not clear if the inventory will include throwback series like Junie B. Jones and The Magic Treehouse, or just books for adults.

In addition to tsunami-sized waves of nostalgia, the event will feature appearances from some of Penguin Random House’s beloved authors. The list hasn’t been revealed in full, but Viking Books, an imprint of Penguin Random House, tweeted that its author John Hodgman will be there to promote his new book, Medallion Status.

Tickets are $25 for a one-hour time slot, or you can pay $50 to stay for the whole five hours. And your afternoon of embracing your inner kid will benefit actual kids—Penguin Random House will donate a portion of ticket sales to Read Ahead, a non-profit that uses reading to help students learn life-long social and emotional skills.

While the Scholastic Book Fair is still going strong in schools today, the same can’t be said for card catalogs, dodgeball, or these other things.

[h/t The Pop Insider]

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