A comfortable mattress plays a key role in facilitating a good night's sleep, as does a warm cup of milk, a massive turkey dinner, and the ability to transmogrify into a log. Catalyze catnaps with today's Groupon: for $99, you get $400 toward a mattress set at Mattress Choice. Redeem at one of four Atlanta-area locations: Marietta, Snellville, Loganville, or Cumming.
Mattress Choice showcases more than 30 mattress models—from brands such as Simmons Beautyrest and Sterling & Thomas—in a helpful, no-pressure slumber store. Sleepy shoppers in the market for different berth brands can peruse the store's selection of Simmons or Sterling & Thomas mattresses (starting at less $900).
Mattress Choice keeps a sleep specialist on hand to educate shoppers about different types of mattresses, to advise them about purchasing beds suited to their horizontal needs, and to train sheep to bleat silently when counted.
Groupon Says
The Groupon Guide to: Famous Equations
Math and science have long been two of our most treasured sources of equations. Here's a look at some of these famous mathematical statements:
The Energy-Mass Equivalence: E=MC²
In 1905, Alfred Einstein was the first to posit that mass and energy are actually the same thing, despite the fact that they are clearly two different things. Several weeks later, this famous equation created the atomic bomb. Today, scientists agree that the atomic bomb was a bad thing, that mass and energy are clearly two different things (Just look at them!), and that Einstein should apologize.
The Pythagorean Theorem: a² + b²= c²
British philosopher Pythagoras put forward this important theory about the length of triangle sides, which states that the three sides of any triangle always add up to 180 centimeters. Although it might look funny to modern brains, the reason that the equation contains letters instead of numbers is that numbers had not yet been invented. Unfortunately, the Pythagorean theorem has largely fallen out of favor because triangles aren't used anymore.
Pi: π = A/r²
This tasty mathematical constant expresses the ratio of a circle's circumference to its diameter. Mathematicians must memorize all of pi's 100 digits to graduate from college and to receive the traditional mathematician's crown. Pi is closely linked to the mysterious circle, the boring geometric shape that contains a disappointing number of right angles. For most people, it's enough to remember pi's first three digits: three hundred fourteen.
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