HistoryPoints.org has placesd QRs at hundreds of places of interest around Wales.

BBC: North East Wales

Dr. Nakamura brushes aside charges of fraud, and says he has used the QRS machine to correctly measure the severity of radiation exposure in a group of Fukushima Daiichi workers.

WSJ: Radiation Worries Spur 'Quackery' Cures

Japan QRS Health Management was formed in November by pet-food company owner Hiroshi Shirata, who says he has been using QRS technology short for "quantum resonance spectrometer" for years to conduct health checks on dogs and cats.

WSJ: Radiation Worries Spur 'Quackery' Cures

PianoDisc, which is one of few modern-day makers of player piano systems (Others include: Pianoforce, Yamaha, and QRS), hires the leading interpreters of some of the greatest composers to make a specific piece for the company.

FORBES: Control Your Piano With An iPhone

In another Tokyo clinic devoted to QRS exams, Dr. Motonobu Nakamura demonstrated the process, taking readings on a range of ailments and harmful substances from the emanations off a business card placed on top of the QRS machine and found that the test subject was free of harm.

WSJ: Radiation Worries Spur 'Quackery' Cures

Steven Hillion is vice president of analytics at EMC Greenplum, and has led engineering at firms such as Siebel, KANA and QRS. His educational background includes a major in number theory at the University of California, Berkeley, which got him thinking about moving software engineering closer toward mathematical applications.

FORBES: EMC Greenplum's Steven Hillion on What Is a Data Scientist?