Hi Andy, The Wilkinson Power Divider/Combiner is a primary component in the adding (or subtracting) and phase switched interferometers. It combines the signals (and noise) from two antennas and implements…
Yes. The cheaper plan you’re seeing is ChatGPT Go. OpenAI currently lists Go at $8/month in the US, with localized pricing in some countries—which is presumably why you’re seeing about…
I stood on a chair in front of 40 foot RT and got on and off the chair and it showed up on the old-style pen and paper recorder used…
https://www.astronomy.me.uk/wp-content/uploads/2026/08/H-Line-Talk-for-SARA-Eastern-Conf-01-060826-DRAFT-010826@1700.pptx
By Andrew Thornett On the LRO Busman’s Holiday Summer 2026. I ambled, I hurried, I strolled with delight,Then rushed to the station at dawn’s early light.I boarded, departed, proceeded, set…
This is a deep and important question. The key point is that Schrödinger’s cat was never intended to prove that observation creates reality. In fact, Erwin Schrödinger invented the thought…
That’s another profound question, and it touches on active areas of theoretical physics. Suppose the only thing in the Universe is a single black hole. Can we meaningfully say whether…
That’s an excellent question, and it gets right to the heart of what physicists mean by spin. The short answer is that a fundamental particle’s spin is not literally the…
A Foucault pendulum is a simple but elegant experiment that demonstrates that the Earth rotates. It consists of a very long pendulum (often 10–70 m long) with a heavy bob.…
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