Virtual Particles: What are they?
The term “virtual particle” is an endlessly confusing and confused subject for the layperson, and even for the non-expert scientist. I have read many books for laypeople (yes, I was a layperson once myself, and I remember, at the age of 16, reading about this stuff) and all of them talk about virtual particles and not one of them has ever made any sense to me. So I am going to try a different approach in explaining it to you.
The best way to approach this concept, I believe, is to forget you ever saw the word “particle” in the term. A virtual particle is not a particle at all. It refers precisely to a disturbance in a field that is
HIV/AIDS researcher David Katzenstein dies
The Stanford virologist conducted clinical vaccine trials, which led to the approval of antiretroviral drugs, greatly improving the survival of people living with HIV Feb 4 2021
David Katzenstein was widely praised for his efforts to bring better, cheaper methodologies to bear on HIV/AIDS prevention and treatment in Africa.
TeachAids
David Katzenstein, MD, professor emeritus of infectious diseases and global health at Stanford Medicine, who spurred advances in diagnosing, treating and preventing AIDS, died Jan. 25 of COVID-19 in Harare, Zimbabwe. He was 69.
Katzenstein was a trained virologist, clinician and tireless advocate for global health. He was widely praised for his energetic push to bring better, cheaper methodologies to bear on HIV/AIDS prevention and treatment in middle- and low-income African countries, where over a 35-year period he spearheaded numerous life-saving projects.
Goshen police are investigating an early morning pawn shop heist.
Police responded to a burglary alarm at World Wide Jewelry and Pawn, 119 W. Clinton St., around 2:10 a.m. Sunday. At the scene, police found signs of a break-in and theft. The storeâs managers were notified about the situation, police said in a report.
ARRESTS
⢠Jenna Butterfield, 19, 17685 C.R. 20, Goshen, was arrested by Goshen police on possession of marijuana and illegal consumption of alcohol following a traffic stop in the 1800 block of Elkhart Road around 1:35 a.m. Sunday. Butterfield was released at the scene with a citation to appear in court.