To certain mathematicians — Sarnak among them — the Alon-Boppana bound was an entrancing challenge. Could they construct graphs, they wondered, that reached this limit? Gambling on Randomness In a landmark paper published in 1988, Sarnak, Alexander Lubotzky and Ralph Phillips figured out how to. Using a highly technical result in number theory by the… Continue reading New Proof Settles Decades-Old Bet About Connected Networks
Trump’s Courage to Fight | RealClearHistory
When the White House invoked the “Immortal Chaplains” to illustrate the history between the United States and Greenland, it touched on a theme emerging in the second Trump administration: the importance of courage. On February 3, 1943, the American steamship SS Dorchester embarked with 902 souls – soldiers, merchant seamen, and civilians – bound for a U.S.… Continue reading Trump’s Courage to Fight | RealClearHistory
Jack the Ripper
Jack the Ripper < !- end of Google Analytics Code Snippet by GA4WP–> // tabnab protection window.addEventListener(‘load’, function () { // make all links have rel=”noopener noreferrer” document.querySelectorAll(‘a[target=”_blank”]’).forEach(link => { link.setAttribute(‘rel’, ‘noopener noreferrer’); }); }); ]]> Podcast: Download MYS361: Jack the Ripper’s brief reign of terror gripped 1888 London. Jimmy Akin and Dom Bettinelli dissect… Continue reading Jack the Ripper
Firearm Forensics Is Still Troubled by Systemic Failure
February 11, 2025 4 min read Firearm Forensics Is Still Troubled by Systemic Failure Three forensic examiners at the Rhode Island State Crime Laboratory last year mistakenly concluded that cartridge cases from a crime scene matched a specific firearm. The error exposes systemic flaws that risk wrongful convictions By Nicholas Scurich Forensics training image showing… Continue reading Firearm Forensics Is Still Troubled by Systemic Failure
The Remarkable Rags-to-Riches Story of Stacey Abrams
By her own admission, Stacey Abrams has made a number of “personal financial missteps” in her career. Despite a history marked by bill collectors, tax liens, and ethics investigations, the Georgia politician and Democratic Party activist has managed to amass a small fortune – while working most of her career in the not-for-profit sector. Flush with… Continue reading The Remarkable Rags-to-Riches Story of Stacey Abrams
Athena, Next U.S. Commercial Moon Lander, Is Set for Spectacular Lunar Science
February 10, 2025 4 min read Athena, Next U.S. Commercial Moon Lander, Is Set for Spectacular Lunar Science In partnership with NASA, the Intuitive Machines lander Athena will send a water-seeking drill, a pogo-sticking crater probe and other novel technologies to the moon By Gayoung Lee edited by Lee Billings An artist’s rendering of an… Continue reading Athena, Next U.S. Commercial Moon Lander, Is Set for Spectacular Lunar Science
Intelligence Evolved at Least Twice in Vertebrate Animals
The findings emerge in a world enraptured by artificial forms of intelligence, and they could teach us something about how complex circuits in our own brains evolved. Perhaps most importantly, they could help us step “away from the idea that we are the best creatures in the world,” said Niklas Kempynck, a graduate student at… Continue reading Intelligence Evolved at Least Twice in Vertebrate Animals
Multiplication, Biden-Style: School Bias Cases Doubled
While limiting strings-attached grants and curbing federal regulation, President Trump’s efforts to dismantle the Department of Education also take aim at a key tool bureaucrats use to oversee schools in all 50 states: civil rights investigations. Celine Almazan, advocate for the disabled: Trump administration changes have left clients “in limbo, or distraught, thinking there will… Continue reading Multiplication, Biden-Style: School Bias Cases Doubled
Where Does Meaning Live in a Sentence? Math Might Tell Us.
Category theory lets you jump from the category of topological spaces to this other category. You can use something called a functor to translate your two topological spaces into vector spaces, for example. If you then find that the dimensions of the vector spaces are different — something that’s much easier to measure — then… Continue reading Where Does Meaning Live in a Sentence? Math Might Tell Us.
Trump’s Team of Realists | RealClearWorld
President Donald Trump’s “America First” foreign policy is taking shape. Its essence is geographical, and the tools to facilitate it are economic, diplomatic, and military power. It eschews abstractions and sentiment in favor of Bismarckian realism. If Abraham Lincoln led a “team of rivals,” Trump leads a team of realists whose members understand that global… Continue reading Trump’s Team of Realists | RealClearWorld