Science and Nature
Natural and formal sciences: physics, chemistry, biology, earth science, and mathematics.
Natural and formal sciences: physics, chemistry, biology, earth science, and mathematics.
#6156: Why Civilization Waited 12,000 Years to Take Off
Ancient engineers built geared computers and self-healing concrete. So why did the industrial takeoff wait until 1760?
#6155: Acupuncture, Adenosine, and the Sham Needle Problem
Acupuncture beats sham by about a fifth of a standard deviation. So what is the sham actually subtracting?
#6152: Whatever Happened to the One-Time Pad?
The math is unbreakable. The humans are the problem. Tracing the one-time pad from 1882 codebooks to quantum key distribution.
#6142: We Gave 4 AI Models the Same Toast Prompt
Four models, one buttered-toast physics question. Three invented studies that never existed — and the oldest model was the most fun.
#6109: Anteater Biology, With an Actual Anteater
A donkey and a sloth finally interview their anteater producer about tongues, claws, and sixty million years of family resemblance.
#6108: ग्रिड आधी बिजली कैसे गँवा देता है — और दिल्ली ने इसे कैसे ठीक किया
बिजली का नुकसान सिंगापुर में शून्य दशमलव दो तीन प्रतिशत से लेकर इराक में उनसठ प्रतिशत तक है। दिल्ली बावन प्रतिशत से साढ़े पाँच प्रतिशत पर आ गई, और वह भी ज़्यादातर बिना नए बिजलीघरों के।
#6061: MARPE, Tirzepatide, and AI on CBCT: Sleep Apnea's New Tools
MARPE's bone share, the first real MARPE sleep apnea trial, and what tirzepatide did to oral appliances — plus AI reading sutures on CBCT.
#6057: Why Your Recorded Voice Sounds Like a Stranger
Bone conduction, brain prediction, and identity — why hearing your own voice on tape makes you cringe, and what changes when AI can speak for you.
#6053: Köppen's 30 Boxes vs. a Changing Planet
Köppen squeezes the planet into 30 boxes — and the hottest places can't change class, even as they heat. What the map hides.
#6016: What 70 Billion Parameters Actually Means
A single artificial neuron, built from scratch — then the hard part: does that neuron analogy still describe a real transformer?
#5986: Electronics Kits for Toddlers? What Actually Works
No kit exists for a 15-month-old — but the age question splits into three windows: kits at 5, breadboards at 10, microcontrollers at 13.
#5985: Meccano at 125: What Kids Actually Learn From Bolts
Meccano just relaunched for its 125th year — but does childhood tinkering actually build lasting engineering intuition?
#5984: Reading a Mystery Adapter's Voltage Without a Label
An unpowered DC jack is electrically silent — so how do you find the right voltage? The answer isn't in the pins, it's in the current curve.
#5966: How Much of Your Linux Desktop Is Actually Misconfigured?
Most "Linux tweaks" are folklore. A few are real — and one toggle most people never open is worth up to 42%.
#5957: The Scientific Plugins Hiding in Plain Sight
ChatGPT's plugin directory has 5,723 entries — but the real scientific AI work is happening in arXiv papers, not plugins.
#5954: Layered Safeguards and the Math Behind Them
Three safeguards at 90% each seems bulletproof—until shared failure modes collapse the math.
#5946: Inside Humanity's Last Exam: 2,500 Questions AI Can't Ace
2,500 questions, ~1,000 experts, and a top score that jumped from 2.7% to 54.8% in 18 months. What is HLE actually measuring?
#5935: How Pressure Actually Bonds VHB Tape
Fifteen pounds of force isn't fifteen psi of pressure. That gap is why your whiteboard might fall off the wall.
#5925: Plus Codes, Geohash, and the Open Addressing Gap
Google's Plus Codes promise offline, self-contained location — but the shortened form quietly reintroduces a dependency the standard was designed t...
#5897: Why You Can't Buy an IEC 60309 Power Strip
Daniel wired his first blue 16A commando plug. The cable math is easy — the missing product category is the interesting part.