We are nearly almost totally unaware of the technological marvels that surround us. But we should be in awe of them. They don’t magically fall unbidden from the skies like manna from heaven. Real people have to work really hard, often in obscurity, to bring those amazing things to life. Today I learned the details about the making of one such innovation: that of the blue LED.
I knew that the blue LED was a big deal and that the inventors got the 2019 Physics Nobel Prize. But I didn’t know of the struggles that one of them — Shuji Nakamura — went through to make it happen. Thanks to a Veritasium video, I have a new hero: Dr Nakamura. His innovation had transformed the world. Continue reading “LED Blues”
Artificial intelligence is perhaps the most transformative technological advancement of our time, poised to revolutionize industries, reshape societies, and redefine the very fabric of human existence.
War is hell, as many people who have been in wars and witnessed its horrors have concluded. That includes General William Tecumseh Sherman (1820 – 1891) of the US civil war Union army who wrote “War is cruelty and you cannot refine it.”



Thanksgiving is quintessentially American and my most favorite of western holiday traditions. In a way, Thanksgiving is a more important holiday to Americans than even Christmas. It is historically significant because the modern version began here. I love it because it is centered around gratitude. 