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# Brain Game: Math Square #43

The nine white squares inside the main red grid should be filled with the digits 1 through 9. Each digit should appear only once in this main grid (the red square). One number is provided for you. Place the other 8 digits in their correct spots so that the mathematical equations work both across and down. IMPORTANT: Remember algebraic rules when solving the problems... multiplication/division should be performed in the first step, then addition/subtraction in the second. Good luck!

Here is my SOLUTION.

NOTE: These puzzles rarely (but occasionally) have alternate solutions that fit the rules. If you find one of these, first make sure that you've followed the instructions to the letter, particularly when it comes to the order of operations, then pat yourself on the back. Nice job!

MY SOLUTION:

Scott Jarvie
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Design
Optical Illusion Rug Creates a Bottomless Void in Your Floor
Scott Jarvie

Artist Scott Jarvie doesn’t believe home goods need to be warm and inviting to earn a spot in the house. That’s certainly the case with his mind-bending void rug: When viewed from a certain perspective, the interior design piece inspires feelings of dread rather than comfort.

According to designboom, Jarvie achieved the rug’s bottomless black hole illusion using clever, two-dimensional design elements. To people standing directly over it, the item resembles a shaded crescent moon cupping a flat black circle. But adjust your position, and the simple rug morphs into a stomach-turning void in the middle of your living room floor.

If the circular rug isn’t trippy enough, Jarvie also made a rectangular runner that can turn an entire hallway into an empty pit. Neither rug is something you’d want to forget you own on a midnight trip to the bathroom.

Jarvie’s art isn’t limited to floor rugs that trick the eye. The Scotland-based artist’s creative furniture and home decor includes laundry balls, a cling wrap dispenser, and a chair made from 10,000 plastic drinking straws.

[h/t designboom]

All images courtesy of Scott Jarvie.

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