Lu Chao

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Lu Chao (Chinese: 吕超) from China is the recognized Guinness record holder for reciting digits of Pi. He successfully recited 67,890 digits of pi in 24 hours and 4 minutes^[1] with an error at the 67,891st digit, saying it was a "5", when it was actually a "0". He stated he had 100,000 memorized, and was going to recite 91,300, but that one mistake cost him. He is planning to write a book about the method he uses, which is based upon many Chinese memorization techniques. He says it took him about 1 year to memorize 100,000 digits. He has no plans to beat his record unless someone else does.^[2] Lu Chao is the President of Zhengzhou Ruicheng Education & Counseling, Ltd.^{[citation needed]}

[edit] References

^ "Chinese student breaks Guiness record by reciting 67,890 digits of pi". News Guangdong. 2006-11-28. http://www.newsgd.com/culture/peopleandlife/200611280032.htm. Retrieved 2008-11-07.
^ "Interview with Mr. Chao Lu". Pi World Ranking List. http://www.pi-world-ranking-list.com/lists/details/luchaointerview.html. Retrieved 2010-03-25.

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v d e Memory

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Short-term memory	"The Magical Number Seven, Plus or Minus Two" • Working memory

Sensory memory	Echoic memory • Eidetic memory • Iconic memory • Motor learning • Visual memory

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Research	Art of memory • Memory and aging • Exceptional memory • Indirect tests of memory • Lost in the mall technique • Memory disorder • Methods used to study memory • Reconstruction of automobile destruction • The Seven Sins of Memory

Related concepts	Absent-mindedness • Atkinson–Shiffrin memory model • Confabulation • Context-dependent memory • Cryptomnesia • Effect of Alcohol on Memory • Emotion and memory • Exosomatic memory • Flashbacks • Free recall • Involuntary memory • Levels-of-processing effect • List of memory biases • Memory and aging • Memory for the future • Memory and trauma • Metamemory • Mnemonic • Muscle memory • Priming • Prospective memory • Recovered memory therapy • Retrospective memory • Sleep and Memory • Source-monitoring error • Memory improvement

Culture and society	Cultural memory • False memory syndrome • Politics of memory • Shass Pollak • Transactive memory • Memory and social interactions • Memory sport • World Memory Championships

Notable people	Robert A. Bjork • Stephen J. Ceci • Susan Clancy • Hermann Ebbinghaus • Sigmund Freud • Patricia Goldman-Rakic • Jonathan Hancock • Judith Lewis Herman • HM (patient) • Ivan Izquierdo • Marcia K. Johnson • Eric Kandel • KC (patient) • Elizabeth Loftus • Geoffrey Loftus • James McGaugh • Paul R. McHugh • George Armitage Miller • Brenda Milner • Lynn Nadel • Dominic O'Brien • Ben Pridmore • Henry L. Roediger III • Steven Rose • Cosmos Rossellius • Daniel Schacter • Richard Shiffrin • Arthur P. Shimamura • Andriy Slyusarchuk • Larry Squire • Susumu Tonegawa • Anne Treisman • Endel Tulving • Robert Stickgold

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