Final answer:
GPS is the technology that helps in finding a restaurant near the train station in Washington, D.C., utilizing satellite signals to calculate an exact location.
Step-by-step explanation:
The technology that can assist you in finding a restaurant near the train station in Washington, D.C. is GPS (Global Positioning System). GPS technology uses signals from orbiting satellites to calculate a precise location on Earth in terms of latitude and longitude. This technology is not only embedded within transportation systems but is also integrated into consumer devices such as cell phones, handheld computers, and other mobile equipment. Thanks to GPS, making maps and verifying locations have become more exact, allowing individuals to find places like restaurants with greater ease and accuracy.