Most recent posts below. Use left/right arrow keys to navigate between posts and click on images to view full screen. Best viewed in dark mode. For updates, follow RSS/Atom feed or twitter.

See also the compact archive of all posts, or view all posts from 2022 in one document.

2022 November 18 · 3000 words
Some personal ramblings and a long digression about ASL
2022 October 10 · 800 words
L’Hopital’s rule meets Lambert W function
2022 September 13 · 4500 words
Hint: it’s the sun
2022 September 12 · 3000 words
We can build on the core principles of the simplified model by looking at the many complexities introduced by nature
2022 September 05 · 2000 words
The influence of the atmosphere on incoming and outgoing light is immensely complicated – but we can understood the fundamental behavior by considering the simplest possible model
2022 August 29 · 1500 words
A simple balance of incoming and outgoing light determines the temperature of astronomical bodies lacking an atmosphere
2022 August 22 · 3000 words
A scientific explanation for why hot objects feel hot from a distance – the blackbody effect – lays the groundwork for understanding the balance regulating the Earth’s temperature.
2022 August 15 · 1100 words
Ozone is both toxic to breathe yet vital for human life. While ozone bears little relation to the greenhouse effect, the global response to the ozone hole is a model for addressing global warming.
2022 August 08 · 1200 words
How thick is the atmosphere and does it even have a top? Why does the atmosphere have distinct layers? A quick rundown on that stuff you breathe every few seconds.
2022 August 03 · 3000 words
Patton’s bloodthirsty battle speech and Chaplin’s call for peace and unity, ‘colorfully’ compared, with a side of color theory and video editing
2022 August 01 · 2000 words
Growing up, I was confused how summer warming exactly canceled winter cooling, as I lacked the physics background to understand how the Earth warms and cools. In this series, I first cover the requisite physics and then show the greenhouse effect as a consequence.
2022 April 12 · < 500 words
Letting your cat choose where you sleep; 0 isn’t the additive identity in IEEE754 arithmetic; dates in Excel are even more of a disaster than you imagined; Italian 110% ‘superbonus’ subsidy on pro-environmental upgrades
2022 April 06 · 2500 words
‘Imagine you’re on a gameshow. There are three doors, behind one of which is a car–’ ‘You’re telling it wrong. There are three doors, behind one of which is a car.’
2022 April 05 · 3000 words
Absolute zero is the coldest possible temperature. So what does it mean for temperature to be negative?
2022 February 02 · 900 words
A review of what our team did in this year’s hunt
2022 February 01 · 4500 words
Healthcare workers rely on fit testing to select which N95 provides them the protection they need, but professional equipment can be hundreds or thousands of dollars. Can we do it cheaper?
2022 January 28 · 600 words
Letterlocking, a 700 year old privacy technique; using Goedel’s theorems to solve a geometry problem; non-transitive games; and the ‘mother of all demos’
2022 January 24 · < 500 words
Where I go to read in-depth reporting on the investigation into the Jan 6 insurrection
2021 June 12 · 800 words
First insurrectionist to plead guilty; what’s the deal with those fabric flaps on train seats?; Mississippi rules that citizens may not amend the constitution by ballot measure; slow motion footage of a Saturn V launch
2021 May 27 · 7500 words
Incidence of seasonal flu has plummeted more than 99% globally; the same tools we use to half-heartedly fight covid could defeat the flu. But we won’t win the fight if we never try.