Biology

What Jurassic Park Got Wrong About Tyrannosaurus Rex Eyesight.

The most famous line in Jurassic Park is biologically backwards. Tyrannosaurus Rex had a stereoscopic visual field wider than a hawk's, visual acuity roughly 13 times sharper than a human's, and depth perception comparable to a military rangefinder. Standing still would not have helped. The science of how we know, drawn from the geometry of the skull itself.

By Mikkel Svold · 10 min read · May 25, 2026

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Physics

Why Fusion's Greatest Achievement Isn't the Physics

Why Fusion's Greatest Achievement Isn't the Physics

Fusion's greatest achievement is not the plasma temperature or the confinement geometry. It is seventy years of open, international collaboration across the Cold War divide — and what that model reveals about how civilisation-scale problems actually get solved.

4 min read · May 13, 2025

Physics

Why Fusion Energy is the Universe's Greatest Teacher

Why Fusion Energy is the Universe's Greatest Teacher

The sun has been running a fusion experiment for four billion years on the same fuel. Søren Bang Korsholm explains the physics, the engineering challenge of confinement, why fusion cannot run away like fission, and what the history of international collaboration reveals about how large problems actually get solved.

8 min read · May 13, 2025

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Saving the World's Seagrass — From Research to Reality

With Dr. Benjamin Jones · Chief Conservation Officer and Co-Founder, Project Seagrass

E21

Biology

The Hidden Science of Seagrass

With Kasper Elgetti Brodersen · Associate Professor, Department of Science and Environment, Roskilde University

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Computation

Inside the Machine — Neural Networks Explained

With Andreas Møgelmose · Associate Professor of AI, Aalborg University, Visual Analysis and Perception Lab

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Cross-cutting principles

Ideas that connect everything.

Feedback

A process in which the output of a system is fed back as input, either amplifying or suppressing the original signal. Feedback loops govern stability and instability across physics, biology, climate, and economics.

Scale

The way systems behave differently depending on their size or resolution. Scaling laws reveal which properties grow proportionally, which change radically, and why the rules that govern one scale often break down at another.

Information

The quantifiable property of a signal or message that can be encoded, transmitted, and decoded. Shannon entropy provides the mathematical foundation. DNA, neural signals, and digital communication are all physical implementations of information processing.

Evolution

The process by which heritable variation, differential reproduction, and natural selection drive cumulative change over time. The principle applies most precisely in biology but appears in analogous forms wherever variation and selection act on replicating systems.

Optimization

The process of finding the best solution within a defined set of constraints. Nature and physics are full of optimisation: Fermat's principle of least time, the principle of least action, natural selection, and algorithmic search are all instances of the same underlying logic.

Uncertainty

The fundamental limits on what can be known or predicted. Heisenberg's uncertainty principle makes this a property of physical reality, not merely of measurement. Statistical mechanics and information theory describe how to reason carefully within those limits.

Applied domains

Where ideas meet the real world.