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The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [9] the pattern of the position detection markers was determined by finding the least-used sequence of ...
The code was introduced in 1994. [12] In 2021, QR codes were being used to book and track COVID-19 tests and contact tracing. [6] Hara has stated that he would like to develop QR codes for additional medical purposes, including imaging such as x-rays or electrocardiogram data. [2] Hara still works for Denso as of 2024. [1]
As of October 1, 2024, there were 2,180 death row inmates in the United States, including 49 women. [1] The number of death row inmates changes frequently with new convictions, appellate decisions overturning conviction or sentence alone, commutations, or deaths (through execution or otherwise). [2]
Death row, also known as condemned row, is a place in a prison that houses inmates awaiting execution after being convicted of a capital crime and sentenced to death.The term is also used figuratively to describe the state of awaiting execution ("being on death row"), even in places where no special facility or separate unit for condemned inmates exists.
During the American Civil War, 433 of the 573 men executed were shot dead by a firing squad: 186 of the 267 executed by the Union Army, and 247 of the 306 executed by the Confederate Army. Today, execution by shooting is allowed in the US states of Idaho , Oklahoma , South Carolina and Utah , as well as Mississippi.
Capital punishment, also known as the death penalty, is the killing of a convicted criminal by the state as punishment for crimes known as capital crimes or capital offences. Historically, the execution of criminals and political opponents was used by nearly all societies—both to punish crime and to suppress political dissent.
If the state has no death penalty, the judge must select a state with the death penalty for carrying out the execution. [32] The federal government has a facility and regulations only for executions by lethal injection, but the United States Code allows U.S. Marshals to use state facilities and employees for federal executions. [33] [34]
The two men eventually sold their patent to Philco for $15,000 — all they ever made from their invention." [ 5 ] During his career Silver served as a physics instructor at Drexel and as vice-president of Electro Nite Inc. [ 6 ] He died August 28, 1963, of bronchopneumonia due to acute myelogenous leukemia [ 7 ] at the age of 38.