[Answer] Which Indian city has become the first to launch a 3D Smart Traffic Signal called ‘Intelights’ which will regulate traffic signals with a smart bird’s eye view wireless sensor system?

Step 1 : Introduction to the question "Which Indian city has become the first to launch a 3D Smart Traffic Signal called ‘Intelights’ which will regulate traffic signals with a smart bird’s eye view wireless sensor system?"

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[Answer] How did Rahab signal the spies when they came back to conquer Jericho?

Step 1 : Introduction to the question "How did Rahab signal the spies when they came back to conquer Jericho?"

...1. Red paint above her door 2. A scarlet cord 3. Two lamps in the window 4. A smoke signal

What is another name for the hourly time signal or GTS first broadcast by the RGO in 1924?

Step 1 : Introduction to the question "What is another name for the hourly time signal or GTS first broadcast by the RGO in 1924? "

There are six pips (short beeps) in total, which occur on the 5 seconds leading up to the hour and on the hour itself. Each pip is a 1 kHz tone (about halfway between musical B5 and C6) the first five of which last a tenth of a second each, while the final pip lasts half a second.

At what intersection was the world's first electric traffic signal installed in 1914?

Step 1 : Introduction to the question "At what intersection was the world's first electric traffic signal installed in 1914? "

The world's first, manually operated gas-lit traffic signal was short lived. Installed in London in December 1868, it exploded less than a month later, injuring or killing its policeman operator