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2. Sofa bed - Wikipedia

   en.wikipedia.org/wiki/Sofa_bed

   A couch unfolded into a bed. A sofa bed or sofa-bed (in the US often called a sofabed, hide-a-bed, bed-couch, sleeper-sofa, or pullout sofa) is a multifunctional furniture typically consisting of a sofa or couch that, underneath its seating cushions, hides a metal frame and thin mattress that can be unfolded or opened up to make a bed.

3. Moving sofa problem - Wikipedia

   en.wikipedia.org/wiki/Moving_sofa_problem

   The area thus obtained is referred to as the sofa constant. The exact value of the sofa constant is an open problem. The leading solution, by Joseph L. Gerver, has a value of approximately 2.2195. In November 2024, Jineon Baek posted an arXiv preprint claiming that Gerver's value is optimal, which if true, would solve the moving sofa problem. [2]

4. Couch - Wikipedia

   en.wikipedia.org/wiki/Couch

   A furniture set consisting of a sofa with two matching chairs [17] is known as a "chesterfield suite" [18] or "living-room suite". [19] In the UK, the word chesterfield was used to refer to any couch in the 1900s. A chesterfield now describes a deep buttoned sofa, usually made from leather, with arms and back of the same height.

5. List of metric units - Wikipedia

   en.wikipedia.org/wiki/List_of_metric_units

   Metric units are units based on the metre, gram or second and decimal (power of ten) multiples or sub-multiples of these. According to Schadow and McDonald, [ 1 ] metric units, in general, are those units "defined 'in the spirit' of the metric system, that emerged in late 18th century France and was rapidly adopted by scientists and engineers.

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Foot (unit) - Wikipedia

   en.wikipedia.org/wiki/Foot_(unit)

   Its exact size varied from city to city and could range between 270 mm (10.6 in) and 350 mm (13.8 in), but lengths used for temple construction appear to have been about 295 mm (11.6 in) to 325 mm (12.8 in); the former was close to the size of the Roman foot.