[Communicating science series] While we’re all doing stay-at-home, theoretical physicist Sean Carroll created a chat-from-home series on his YouTube channel. Usually each informal talk (so not lecture-like organization) has a followup Q&A video. The Biggest Ideas in the Universe is a series of videos where I talk informally about some of the fundamental concepts that… Continue reading Biggest ideas in the universe – Sean Carroll chats concepts
[“Quantum foundations” series] A physicist walks into a bar, and asks the bartender, “What time is it?” The bartender is about to reply but then recognizes the customer. “You’re a physicist, correct? So, it’s a trick question.” So, what’s with time? A venerable philosophical question. A foundational question in physics. We have electronic devices, extremely… Continue reading Whence the arrow of time?
You’ve probably heard the saying, “We will sell no wine before its time.” While most of us rarely think about the topic when buying retail wines, the more adventurous might go for age-worthy bottles – immature wines which can taste quite better at their peak. How long do you wait? Is there a mathematical model for… Continue reading Wine before time itself – stars older than the universe?
So, after viewing some documentaries on modern physics and reading some books by “rock stars” in the field (see below), I felt a need to revisit my past musings, review topics and terminology, and organize all the “wow!” and “huh?” moments in my exploration. Recent media experiences: Everything and Nothing, two linked TV documentaries on Cosmology (Everything about… Continue reading Pondering the infinitely small and large