Yes, the street lights in Los Angeles are going purple. Here’s why

Content creator Evan Lovett of L.A. in a Minute saw the city streets take on a bluish purple cast in the summer of 2024. In a TikTok video, he explained that the unintentional color shift is caused by ...

This Fourth Light Could Finally Free Us From Endless Red Lights

A new study suggests a fourth, white traffic light could let self-driving cars manage intersections more efficiently ...

The Ingenious Way Traffic Lights Worked Before Computers Were Invented

Traffic lights today are controlled by computers and other purpose-built systems, but what did people do before computers ...

San Francisco supervisor calls for new robotaxi rules after neighborhood cat killed by Waymo

Following the death of beloved bodega cat KitKat, San Francisco Supervisor Jackie Fielder announced a plan to ask the state ...
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Intuit QuickBooks Solopreneur Review: Simplified Accounting for One-Person Businesses

I write about money. I’ve been reviewing tax software and services as a freelancer for PCMag since 1993. Along the way, I took on reviews of other types of business and personal finance technology.