A disqualified driver has been charged after his Commodore with flashing red and blue lights slid into a convoy of patrol vehicles outside a Northland police station. Mid/Far North Area Prevention ...
Amazon.com has led an $81 million funding round for battery startup Blue Current, a deal that comes as the e-commerce giant is expanding its fleet of electric delivery vans. James Hamilton, a senior ...
A 28-year-old courier driver was robbed on Sunday afternoon by two men posing as police officers along the Bypass Road, Valencia. Police said the victim was driving west near the second roundabout ...
HONOLULU (HawaiiNewsNow) - From a flashing blue streak to a falling trail of smoke, we now know what caused strange sightings in the sky above Hawaii this week. Lucas Zarro’s security cameras in Kihei ...
It’s hard to believe that the first blue LED didn’t arrive until 1993. They look simple, but looks are deceiving (Fig. 1). 1. Image showing a blue InGaN-based LED with gold wire contacts (0.4 × 0.4 mm ...
LANSING – Winter – skid season – is upon us, making curves slipperier and more dangerous. Now a new study done in Northern Michigan shows that flashing LED lights on signs near curves can successfully ...
A Toronto Blue Jays fan will likely be the talk of the internet for the remainder of the World Series after Friday’s win over the defending champion Los Angeles Dodgers. The Blue Jays hold a 1-0 lead ...
After an 8-session decline that dragged the Nifty down by 3.67%, the index has surged 4.85% in just 11 trading days. After the RBI policy at the start of October 2025, a few large-cap stocks have ...
To paraphrase Mark Twain, reports of the death of “Blue Bloods” and the end of the Reagan family are greatly exaggerated. Despite a new cast and setting, CBS’s “Boston Blue” has all the bones of the ...
Sonequa Martin-Green, Bridget Moynahan and Donnie Wahlberg in "Boston Blue." (John Medland/CBS) To paraphrase Mark Twain, reports of the death of “Blue Bloods” and the end of the Reagan family are ...
Hosted on MSN
What It Really Took to Make the First Blue LED
Making a blue LED was once thought impossible. Unlike red or green, producing blue light required a semiconductor with a much larger energy band gap. For decades, the right material didn’t exist—or at ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback