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More On FFT 27 Apr 11:02 PM (8 hours ago)

A nice ode to a bit of progress that has led to much of modern technology!

60 years ago this month, the Fast Fourier Transform (FFT) was introduced by Cooley & Tukey (1965) - one of the most important algorithms in signal processing and data analysis.

In 1805, Gauss - studying the orbits of asteroids Pallas and Juno - came up with a method to… pic.twitter.com/zyFQPQLwPX

— Fermat's Library (@fermatslibrary) April 25, 2025

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Do AIs Have "Rights"? 27 Apr 11:01 PM (8 hours ago)

People now arguing whether AI should have "rights".  Seems that you first need a robust theory of what gives rise to the concept of "rights" and which entities this concept applies to. 

NYT: "If AI Systems Become Conscious, Should They Have Rights?

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FFT Explained 24 Apr 11:02 PM (3 days ago)

MIT: "60 years ago this month, the Fast Fourier Transform was created, a powerful tool for image compression & data analysis. Watch a classic MIT breakdown of FFT"


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Your Tech At The Border 24 Apr 11:01 PM (3 days ago)

"How to Protect Yourself From Phone Searches at the US Border"

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Exotic Quantum States 23 Apr 11:02 PM (4 days ago)

"US scientists discover never-before-seen quantum 'species' in twisted material"

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Douthat On AI 23 Apr 11:01 PM (4 days ago)

Ross Douthat: "An Age of Extinction Is Coming. Here's How to Survive."

I think he's too pessimistic. But his essay does make some good points.

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AI Code Generation Update 22 Apr 11:02 PM (5 days ago)

"Making AI-generated code more accurate in any language"

A new technique automatically guides an LLM toward outputs that adhere to the rules of whatever programming language or other format is being used.

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Lunar CPU 22 Apr 11:01 PM (5 days ago)

"The Moon Should Be a Computer"

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Smell Friends? 21 Apr 11:02 PM (6 days ago)

Ars Technica: "Women rely partly on smell when choosing friends". (Via H.R.)

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Hype On Alien Life 21 Apr 11:01 PM (6 days ago)

Nature: "Signs of life on a distant planet? Not so fast, say these astronomers"

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Missing Matter 20 Apr 11:02 PM (7 days ago)

"A new analysis of the sky has finally confirmed where the missing half of the Universe's visible matter has been hiding." (Via H.R.)

My first guess was under the couch.

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New Color? 20 Apr 11:01 PM (7 days ago)

"Scientists claim to have found colour no one has seen before"

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Human Vs. AI Reading Medical Notes 17 Apr 11:02 PM (10 days ago)

This question was posed recently on social media -- basically, asking someone to interpret a near-indecipherable orthopedic clinic note.  

My own translation:

Ortho
===========
R(ight) knee pain
R(ight) knee: + effusion, +pain, decreased ROM (range of motion)
Xray right knee: moderate OA (osteoarthritis)
A/P (assessment/plan): Right knee osteoarthritis
Right knee injection
F/u (followup) 3 months.

I also asked Grok AI to attempt to translate the image, and I have to confess it did surprisingly well!


 

 

 


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Wave Confinement 17 Apr 11:01 PM (10 days ago)

"Thought To Be Impossible: Scientists Break Century-Old Physics Barrier". (Via H.R.)

A research team from POSTECH (Pohang University of Science and Technology) and Jeonbuk National University has achieved a groundbreaking feat: the complete confinement of mechanical waves within a single resonator—something long considered theoretically impossible. Their study, published on April 3 in Physical Review Letters, represents a significant advance in solving the century-old puzzle of bound states in the continuum (BIC).

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iPhone Tricks 16 Apr 11:01 PM (11 days ago)

"18 Things You Didn't Know Your iPhone Could Do"

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Gifted Bird Caller 15 Apr 11:01 PM (12 days ago)

"Oklahoma boy astounds classmates with his ability to do 50 different bird calls"

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Travel Hacks 14 Apr 11:02 PM (13 days ago)

"10 Travel Hacks Reddit Users Swear By"

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TB Diagnostics 14 Apr 11:01 PM (13 days ago)

"New handheld device can diagnose TB without a lab in under an hour, its developers say"

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Military AI Update 13 Apr 11:02 PM (14 days ago)

"Generative AI is learning to spy for the US military"

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Breakfast Club Cast, 40 Years Later 13 Apr 11:01 PM (14 days ago)

"Breakfast Club" cast, 40 years later. Some have aged better than others.

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Great SF Movies 10 Apr 11:02 PM (17 days ago)

"The 100 best sci-fi movies of all time, ranked"

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More Jobs For AI 10 Apr 11:01 PM (17 days ago)

"Trump Wants Tariffs to Bring Back U.S. Jobs. They Might Speed Up AI Automation Instead"

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Data Centers On The Moon 9 Apr 11:02 PM (18 days ago)

BBC: "The plans to put data centres in orbit and on the Moon"

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Air Marshals 9 Apr 11:01 PM (18 days ago)

"Are There Air Marshals on Every Flight?"

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AI Tutors 9 Apr 12:02 AM (19 days ago)

"Texas private school's use of new 'AI tutor' rockets student test scores to top 2% in the country"

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