Down to Earth

Down to Earth, Politics in the New Climatic Regime by Bruno Latour The present ecological mutation has organized the whole political landscape for the last thirty years. This could explain the deadly cocktail of exploding inequalities, massive deregulation, and conversion of the dream of globalization into a nightmare for most people. What holds these three ... I understand how we got here. It’s the universal desire to live in Cockaigne Cockaigne, the land of milk and honey. . Some of us live in Cockaigne. We’re busy protecting it, building walls and borders to keep the ones not in it out. We do that because we know Cockaigne as it stands doesn’t scale to everybody. The process of creating it has left a lot of people out, has created a lot of damage and destroyed the planet, forcing those not in the protective bubble of Cockaigne to deal with the consequences. We’re also in denial about our ability to keep this protective bubble up and how much suffering building Cockaigne has caused. In his book “Down to Earth” Bruno Latour French philosopher Bruno Latour died in October, 2022. strongly urges us to reconsider this fantasy, to step out of Cockaigne and come back down to Earth. In 140 pages and without using philosophical jargon Latour explains how we got into this mess and he tries to help us find a way out. ...

Points on circle

Program calculus problem.

Fibolucci

Fibonacci with a twist.

Sequences

Combinorics about permutations and inversions.

No consecutive ints

Combinatorics problem on multisets.

Three plus sqrt of five

Little number theory puzzle.

Bridge

Crossing a bridge while satisfying constraints.

Dutch National Flag

Dutch National Flag Problem.

Minkowski Sum

FFT uses.

While A

Reasoning with loop invariants.

Bernstein

Cool proof of the Schröder-Bernstein Theorem.

Maximum subsequence

Program calculus problem.

Airplane Seating

Line of airline passengers boarding a plane.

Grasshopper

Induction and integer inequalities.

Two decks of cards

Inclusion-exclusion in combinatorics.

Cat vs Dog

Network flows and vertex covers.

Hamming Code

Hamming codes solve an impossible looking puzzle.

Paying dollar

Little nugget.

Twelve Coins

Coin weighings problems.

Bernoulli

Variants of the Bernoulli inequality.