The technological singularity is a theoretical point in the future in which technology advances beyond the human capacity to participate in its development in a meaningful way. Computers will then be responsible for creating new breakthroughs. The term "technological singularity" was first used by computer scientist and sci-fi author Vernor Vinge, who wrote in 1993 that after this superhuman intelligence is created, "the human era" will end. By when does Vinge expect the singularity to occur?
Back in the day
The Lincoln Memorial in Washington, DC, has been the site of many historic events, including Martin Luther King, Jr.'s legendary "I Have a Dream" speech during the 1963 March on Washington. The building, designed by Henry Bacon and styled after a Greek temple, has 36 massive columns, representing the states of the Union at the time of Lincoln's death. Inside the building is a heroic statue of Abraham Lincoln by Daniel Chester French. On what units of American currency is the memorial depicted?
Born on a day like today
Axelrod was an influential American biochemist. In 1970, he shared the Nobel Prize in Physiology or Medicine with Bernard Katz and Ulf von Euler. He was also honored for his work on the release and reuptake of catecholamine neurotransmitters, a class of chemicals in the brain that relay, amplify, and modulate electrical signals between a neuron and another cell. Axelrod made major contributions to the understanding of the pineal gland and how it regulates what daily biological cycle?