Today in History - February 14, 1990 -  First photo of the solar system is taken and dubbed the “family portrait” of our solar system as seen from outside.
Voyager 1 was launched on September 5, 1977 and it passed Saturn in November 1980. It continued a trajectory that took it out of the solar system, […]

February is Black History month. This would be a great time to browse the Engineering Pathway’s resources on African American scientists, engineers & inventors and our computing and engineering diversity websites.
Readers interested in inventions by African Americans may want to view the following blogs: Ice cream scoop invented (February 2), Birth of […]

Today in History - February 3, 1958 -  Rachael Carson publishes the Silent Spring. Rachel Carson, a writer, scientist and ecologist, worked seventeen years for the US Fish and Wildlife Service, where she learned about the problems of pesticides on the environment. She is best known for her book called Silent Spring, which is […]

Today in History - February 1, 1972 - First scientific hand-held calculator, the HP-35, introduced for $395. I was an undergraduate in engineering when the HP-35 was released. I couldn’t afford to buy one and stuck with my slide rule. But the next year, I gave in and bought the next model, the HP-45 […]