Topic: Science & Technology
The Marmes Rockshelter was a very important archaeological find in Washington. Tools, human bones, and a cremation hearth more than 8,000 years old were discovered there. But scientists had a big prob...
Over the past thousands of years, many varieties of mammals lived in what is now Washington. Several important fossils of prehistoric mammals have been discovered in different parts of the state. (Thi...
At the dawn of the commercial radio industry in the early 1920s, Seattle became an unexpected early hotbed of technological innovation. No less than three different companies began producing radio spe...
George Watkin Evans was a pioneering mining engineer in Washington who spent much of his career studying and documenting the state's coal-mining industry. This People's History of Evans's life and wor...
John M. Fluke Sr., was founder of the John Fluke Engineering Co., later known as Fluke Corp., and was a pioneer in the Pacific Northwest electronics industry. He also was deeply involved in a wide ran...
William H. (Bill) Gates was co-founder and CEO of Microsoft Corp. As such, he not only accumulated a fortune -- in 2013 he was the richest person in the world, with a net worth of $72.1 billion -- but...
The Georgetown Steam Plant was built by the Boston-based Stone & Webster utilities conglomerate, which held a dominant position in electricity generation and public transportation in the Seattle a...
The Great Northern Tunnel is a one-mile-long tunnel that runs beneath downtown Seattle from Alaskan Way (below Virginia Street) on the waterfront, to 4th Avenue S and Washington Street. The Great Nort...
Engineer Homer M. Hadley designed several unique concrete bridges throughout the state of Washington during his lifetime, including many early American applications of the European innovation of concr...
Archaeological finds in various locations across Washington have helped scientists learn about how the earliest residents of this state lived. (This essay was written for students in third and fourth ...
Following a dedication ceremony on September 5, 1975, the Fred Hutchinson Cancer Research Center opened the doors of its $12 million, seven-story research and treatment facility, situated on land acqu...
During the Cold War Washington state served an important role in defending the United States and in deterring attacks. Eighteen intercontinental ballistic missiles installed near Moses Lake and Spokan...