Recounting the History of Math’s Transcendental Numbers

It was not obvious that transcendental numbers should exist. Moreover, it’s challenging to prove that a given number is transcendental because it requires proving a negative: that it is not the root of any polynomial with integer coefficients. In 1844, Joseph Liouville found the first one by coming at the problem indirectly. He discovered that… Continue reading Recounting the History of Math’s Transcendental Numbers

Have Astronomers Seen the Universe’s First Stars?

 SUBSCRIBE: Apple | Spotify Lee Billings: Hi, and welcome to Cosmos, Quickly. This is Lee Billings.  Carin Leong: And this is Carin Leong.  [CLIP: Show theme music] Billings: Carin, thanks for being here. A quick question for you: What’s super-duper bright and hundreds or even thousands of times heavier than our entire solar system, yet… Continue reading Have Astronomers Seen the Universe’s First Stars?

After Supreme Court Ruling, Reparations Fight Lives On as ‘Not Race-Based’

A California Reparations Task Force hearing in Oakland last year. AP Task force members repeatedly stated that their damning historical analysis of American racism, and their proposed remedies, are intended to serve as a blueprint for the entire nation to adopt in atonement for what they see as the original sin of slavery and its… Continue reading After Supreme Court Ruling, Reparations Fight Lives On as ‘Not Race-Based’

Published
Categorized as Intel Tagged

What Can Jellyfish Teach Us About Fluid Dynamics?

The jellyfish that move through the seas by gently pulsing their saclike bodies may not seem to hold many secrets that would interest human engineers. But simple as the creatures are, jellyfish are masterful at harnessing and controlling the flow of the water around them, sometimes with surprising efficiency. As such, they embody sophisticated solutions… Continue reading What Can Jellyfish Teach Us About Fluid Dynamics?

An Enormous Gravity ‘Hum’ Moves Through the Universe

Most likely, the gravitational waves come from pairs of supermassive black holes that are spiraling around each other inside merging galaxies. But we might be seeing something else entirely, perhaps something exotic such as ruptures in space-time itself resulting from loops of energy called cosmic strings. “Finding for the first time the suggestion of background… Continue reading An Enormous Gravity ‘Hum’ Moves Through the Universe

Which Creature Was the First to Take a Nap?

“No live organism can continue for long to exist sanely under conditions of absolute reality,” wrote Shirley Jackson in the first line of her 1959 horror novel The Haunting of Hill House. “Even larks and katydids are supposed, by some, to dream.” Jackson penned this line to introduce her haunted house, where the line between… Continue reading Which Creature Was the First to Take a Nap?