Flue Gas Stack Material

Hi Dears, I have the following questions: 1. What is the best steel material to be used as a flue gas stack. 2. Can I use ASTM A106 GrB? the maximum and minimum temperatures are 450-320 degC. the H2S in the flue gas is in few ppm. Waiting your prompt reply Regards

Casual Birding in Florida on the First Day of Spring

Saturday was a beautiful sunny day which happened to coincide with the first day of Spring. Suzy really wanted to drag me away from the computer into the sunshine, so we headed over to Sawgrass Lake Park to go for a walk.  I thought perhaps I’d see a few interesting birds. The most beautiful thing [...]

compatability of seal rings

For instance if i am changing a hubbed flange connector which is Galperti, and i have only a Grayloc seal ring of the same material, spec etc, would they be compatable because they are fro 2 different manufactures

Deb Blum’s Great New Book, The Poisoner’s Handbook | The Intersection

Poisoners HandbookI am currently reading The Poisoner’s Handbook: Murder and the Birth of Forensic Medicine in Jazz Age New York, by one of our great science writers, Deborah Blum. She will, I hope, be a guest on Point of Inquiry at some point.

Blum weaves a masterful tale of how modern forensic medicine emerged during the era of Prohibition as a doctor-toxicologist team hunt down murderers who use arsenic, mercury, and cyanide, and try to protect the public health from threats like tetrahedral lead, wood alcohol, and carbon monoxide. Move over, CSI Miami–here’s CSI 1920s New York. Just amazing stuff; no wonder Blum is at around # 240 0n Amazon right now….


Blu-ray and anamorphic

What is the relationship, if any, between Blu-ray DVDs and the anamorphic format? Are all Blu-ray discs natively anamorphic, or does that even make sense?

I've seen a few Blu-rays labeled anamorphic, but that could just be hype, like saying "this new car is equipped with an engine".

Embedded C and Microcontrollers

Will the embedded c programing differ in the environment in which we develop the program ????? or it is common to all ?? some use ccs, some use mickro c for a pic.... which is best????????????? apart from pic which compiler is used for other Microcontrollers????

can a programmer adapt to all