Traffic lightsare becoming more efficient, which means you'll be spending less timestopped...
Join the conversation
Log in or create an account to leave a comment
Log In
Traffic lights
are becoming more efficient, which means you'll be spending less time
stopped at a light
are becoming more efficient, which means you'll be spending less time
stopped at a light
Full Transcript
00:00:01.000 --> 00:00:03.253
Traffic lights
are becoming more efficient,
00:00:03.336 --> 00:00:06.214
which means you'll be spending less time
stopped at a light.
Want This Clip in HD?
Upgrade for HD/4K downloads and unlimited access. Upgrade now →
Movie Summary
Scientists investigate unusual events from pop culture, science and history.
