Answer:
These are the achievements of Silicon Valley
• Long distance high-voltage transmission
• Amplifying vacuum tube
• First commercial radio broadcast
• Long distance continuous-wave radio transmissions
• Mobile radio systems development
• Klystron tube and microwave
• Radar
• Electronic measuring devices
• Nuclear induction applications
• X-ray microscope
• Traveling-wave tube development
• Silicon crystal-growing
• Programmable hand-held calculators
• Videotape and VCRs
• Development of the junction transmitter
• Linear accelerators for particle physics research and cancer treatment
• Swept-back aircraft wings
• Nuclear magnetic resonance
• Random access computer storage
• Disk drives
• Integrated circuits
• Planar processes
• Lasers
• Semiconductor large-scale integrated memory
• Silicon gate arrays