Tag Archives: comparison

Q: What Is a Hole? A: We’re Not Sure! | Kottke

How many holes does a donut have? That’s pretty easy: one. What about a straw? Two (one at each end) or just one? (Isn’t a straw just an elongated donut?) Does a coffee mug have one hole or two? Does … Continue reading →

Posted in Technology | Tagged , , , | Leave a comment

Incredible Winners From the 2020 International Photography Awards | My Modern Met

ANTARCTICA: The Waking Giant” by Sebastian Copeland (Germany). First Place – Book Photographer Of the Year, Professional Book, Nature.   The world’s top photographers put their best images up for judgment and these are the stunning winners.   The prestigious … Continue reading →

Posted in Photography | Tagged , , , | Leave a comment

Researchers find connection between household chemicals and gut microbiome – ScienceBlog.com

November 12, 2020 Washington State University A team of researchers for the first time has found a correlation between the levels of bacteria and fungi in the gastrointestinal tract of children and the amount of common chemicals found in their … Continue reading →

Posted in Health | Tagged , , | Leave a comment

How the US poisoned Navajo Nation

The biggest radioactive spill in US history. As World War Two was ending, the growing nuclear arms race put the US in need of uranium. It turned to Navajo Nation, where the uranium mining industry thrived for four decades — … Continue reading →

Posted in Environmentalism | Tagged , , , | Leave a comment

Neuroscientist Makes Playlist of the Happiest Songs According to Science

Did your “happy song” make the list? What is your happy song? According to one Dutch neuroscientist, most happy songs have some distinctive traits in common. Several years ago, Dr. Jacob Jolij—at the University of Groningen in the Netherlands—was asked … Continue reading →

Posted in Science | Tagged , , , | 1 Comment

Why We May Be Surrounded by Older Alien Civilizations

Are alien civilizations likely to be younger or older than us in age? A basic question that seems insurmountable until we start detecting them. But even before that, we can use some logical deduction using lifetime distribution statistics to determine … Continue reading →

Posted in Science | Tagged , , | Leave a comment

Your Daily Equation #22: 8 – 2 ÷ 2 x 3 + 4 = ?

Episode 22 #YourDailyEquation: Simple arithmetic problems go viral with people proposing all sorts of different answers. It speaks to an important concept–the order of various operations matters–but, as Brian Greene discusses, is often taught in a less-than-inspirational way in the … Continue reading →

Posted in Language | Tagged , , | Leave a comment

We’re Still Living and Dying in the Slaveholders’ Republic

Ibram X. Kendi Director of the Boston University Center for Antiracist Research He became a founding father. He coveted his freedom. But for most of his political career, he turned away from talk of founding or fathering a new nation … Continue reading →

Posted in Black History | Tagged , , , | Leave a comment

A new way to visualize General Relativity

How to faithfully represent general relativity ? Is the image of the rubber sheet accurate ? What is the curvature of time ? All these answers in 11 minutes !

Posted in Science | Tagged , , , | Leave a comment

Quantum Field Theory visualized

How to reconcile relativity with quantum mechanics ? How do we describe particles mathematically ? Where does the electric charge come from ? All these answers in 15 minutes ! 0:00 – Introduction 1:52 – Field and spin 4:38 – … Continue reading →

Posted in Science | Tagged , , , | Leave a comment

A cyclical, forgetful Universe – Nobel prizewinner Roger Penrose details an astonishing origin hypothesis | Aeon

Since the discovery of cosmic microwave background radiation in 1965, the Big Bang theory has been the dominant model of our Universe’s origin. In the ensuing decades, an obvious and yet still deeply unsettled question has emerged at the core … Continue reading →

Posted in Astrophysics | Tagged , | Leave a comment

What Would We Experience If Earth Spontaneously Turned Into A Black Hole?

If a black hole were to appear between the Earth and an observer, the Earth would appear gravitationally lensed in a fashion similar to this, dependent on the Earth’s position relative to the black hole and the observer. If a … Continue reading →

Posted in Astrophysics | Tagged , , , | Leave a comment