The temperature can drop to freezing at Naples. But that doesn't happen often, only about once every year or two. Most winter nights only cool down to 40 or 50 degrees F. Days per month on average in Naples when the minimum temperature drops to 40 or 50 Â°F or lower.
John Larson the inventor of the lie detector or polygraph first started as a medical grad at California University. This invention first was a failure by James Mackenzie in 1902, but when John Larson advanced this invention he changed what the machine studied.he test they took lasted for about 2 hours. After the test experts would examine the results to determine if the person was telling the truth about the crime. The lie detector uses different wires with a rubber pad to measure rates and pulses. They place the wires in different places on the body.
In 1925 he applied for, and was granted, the first patent for a metal detector. Although Gerhard Fischer was the first person granted a patent for a metal detector, the first to apply was Shirl Herr, a businessman from Crawfordsville, Indiana. His application for a hand-held Hidden-Metal Detector was filed in February 1924, but not patented until July 1928.