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Einstein's spatially closed universe is often referred to as Einstein's "cylinder" world: with two of the spatial dimensions suppressed, the model universe can be pictured as a cylinder where the radius \(A\) represents the space and the axis the time coordinate.
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"'It's a cylinder – an artificial cylinder, man!
Too vigorous a scrubbing erodes the metal itself.Worse, the IRK is not the only such cylinder in the world.
The aim is to be firing on all cylinders when the World Championships in Deagu, South Korea come around in 11 weeks time.
He tells Top Gear, "We didn't know where it would end, marrying the most powerful two-cylinder engine in the world with the car that uses the most economical twin-cylinder.
The last of these, the S.6B, powered by a liquid-cooled Rolls-Royce racing engine with in-line cylinders, later raised the world speed record to more than 400 miles (640 km) per hour.
What may seem a disastrous strategy for Iker de Carlos, a 22-year-old Spaniard starting out in the world of cylinders, pins, bolts and lock springs in his home city of Pamplona, is actually part of a growing civic rebellion in support of the biggest losers in Spain's five-year story of failing, mismanaged banks – those being thrown out of their homes after falling behind on mortgage payments.
Isotta was, in fact, a pioneer with eight-cylinder engines, offering the world's first mass-production, inline, eight-cylinder engine in 1912.
The Cyrus cylinder is often called the world's oldest human rights document, but it was common in Mesopotamia for kings to begin their rule with such reform declarations, according to the British Museum.
Sonic stumbles across a world of floating cylinders in pursuit of long-time enemy Robotnik, and must progress through themed levels to free captured animals.
It was precisely this lack of recognition that prompted Alfa to turn its 2011 Geneva motor show concept car into a reality, complete with a carbon-fibre chassis, a stripped-out interior and one of the most powerful four-cylinder production engines in the world.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com