Silicon Valley, Technology hub in San Francisco Bay Area, United States.
Silicon Valley stretches across several cities in the Santa Clara Valley south of San Francisco, with Palo Alto, Mountain View, Sunnyvale, Cupertino, and San Jose forming the main centers. The landscape consists of commercial districts with low-rise office complexes, research facilities, and company headquarters spread between residential neighborhoods and highways.
In the 1950s, Frederick Terman at Stanford University encouraged his graduates to start electronics companies near the campus, sparking the first wave of technology development. The invention of the microprocessor in the 1970s and the later rise of the computer industry transformed the area into a worldwide center for technology innovation.
The streets feel like one open workspace where technical professionals work on laptops in coffee shops while founders exchange ideas in casual conversations. This informal approach to collaboration shapes daily life and shows up in coworking spaces, networking events, and discussions that happen on park benches between office buildings.
Most company headquarters are not open to visitors, but many firms operate public visitor centers or museums that can be explored with advance planning. The area is easiest to navigate by car since attractions are spread across a wide territory and public transport between different cities is limited.
The name emerged in the 1970s through a journalist describing the growing semiconductor industry, as silicon was the main material for computer chips. A former orchard in Los Altos now holds an ordinary house where Steve Jobs and Steve Wozniak assembled the first Apple computers in a garage.
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