NHTSA is proposing cyan-colored marker lamps “to clearly and consistently signal to law enforcement and other road users when an automated driving system is operating the vehicle.” Why cyan? The auto industry already uses red, amber, white, and flashing blue/red lights for such things as brakes, turn signals, headlights, and emergency vehicles. Cyan could theoretically
AccordionItemContainerButton Photosynthetic photon flux Ddensity, or PPFD, expressed in micromoles per square meter per second (μmol/m²/s), is a measurement of how much light reaches your plant that’s usable for photosynthesis. In general, the higher the plant’s energy needs, such as producing a flower or a fruit, the higher the PPFD number you want. Though different
Mark Zuckerberg has a new defense of the Ray-Ban Meta glasses: They’re actually doing more to signal they’re taking a photo than phones do. He’s brought this up in at least two recent interviews, noting that the glasses have a light that comes on to signal when a photo is being taken, while phones do
Peter Berg is directing the show opens for all four of Netflix‘s NFL gameday livestreams this season — and for the first one, debuting Thursday, he drafted Kyle Chandler, star of the “Friday Night Lights” TV series, for an assist on the play. Berg directed the 2004 movie “Friday Night Lights,” about a high school
What ultimately did was rewarding the law-abiding ones with fewer red lights. The solution, which the city credits for a dramatic drop in crashes and injuries along one busy stretch of road, is a relatively novel version of a longstanding traffic safety concept commonly known as “rest in red,” in which traffic signals default to red until a
Officials struggled for years to curb high-speed crashes along a residential corridor cutting through Albuquerque, New Mexico, but simply punishing the lead-footed drivers didn’t seem to work. What ultimately did was rewarding the law-abiding ones with fewer red lights. The solution, which the city credits for a dramatic drop in crashes and injuries along one
