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Dr. Larson was encouraged by Berkeley Police Chief August Vollmer to produce a device that was useful in a "deception test" for actual criminal investigations. He was also interested by William Marston's studies in how a laboratory subject's attempt at deception effects blood pressure changes.[1]
What else can I help you with?
What did James McKenzie invent in 1902?
the lie detector
When did George Andrew Darby invent the smoke detector?
1902
Where did Randolph smith invent the first smoke detector?
indoors
What year did Walter Jaeger invent the poison gas detector?
sorry, this section has not been edited yet
Who invented the frist earthquake detector?
Zhang Heng was the firts to invent the earthquake weathercock in 132 A.D.
Can anyone invent something?
smart people
What did ag bell invent?
Most notably the telephone. But also the hydrofoil, the photo phone, the wheat husker, metal detector.
Did anyone invent nuclear weapons?
Leo Szilard
What influence did Aristotle have on space exploration?
He helped invent a telescope ;)
Did Cezanne invent Cubism?
No, he did not, but he was strong influence on Braque and Picasso who did.
Did Alexander Graham Bell help invent the metal detector?
Alexander Graham Bell used his metal detector on U.S. President James Garfield in 1881.
Did anyone in Dominican Republic invent something?
bachata merengue
