Article archive
Published news and blog articles, organized by category. Browse older coverage by month or search for a topic. Undated blog guides appear after dated news.
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What pollination networks teach us about the world
Pollination networks teach a broad systems lesson: what looks like a simple service is produced by relationships, timing, movement, and feedback across many scales.
What the deep ocean carbon cycle teaches us about the world
The deep ocean carbon cycle offers wider lessons about hidden infrastructure, delayed feedback, distributed responsibility, measurement limits, and why a reservoir is not the same as a permanent fix.
Coastal erosion explained: the ideas that matter
The clearest way to understand coastal erosion is to separate shoreline position, sediment budget, forcing, time scale, and exposure—connected ideas that answer different questions about a changing coast.
Earthquake early warning explained: the ideas that matter
Five ideas make earthquake early warning easier to understand: it is not prediction, P waves are clues, alerts are local estimates, time is a budget, and preparedness turns information into safety.
How coastal erosion works
Coastal erosion is the movement and loss of sediment or rock at a shore, produced by waves, currents, storms, sea-level change, geology, and the sediment supply that connects one stretch of coast to another.
How earthquake early warning works
Earthquake early warning is a race between fast sensors, fast communications, and slower destructive waves. Here is the mechanism, and what its seconds can and cannot do.
How volcanic lightning works
Volcanic lightning begins when an eruption turns a rising ash plume into a moving electrical system. Collisions, fragmentation, ice, and turbulence separate charge until the atmosphere can no longer contain it.
The engineering challenge behind coastal erosion
Managing coastal erosion means working with moving sediment, variable storms, rising water levels, ecological constraints, and expensive assets without a perfect forecast or a single permanent fix.
The engineering challenge behind earthquake early warning
Earthquake early warning is a distributed real-time system built against an unforgiving deadline. Its hardest problems are latency, incomplete information, rupture complexity, reliability, and human factors.
The engineering challenge behind volcanic lightning
Detecting volcanic lightning is an engineering problem at the edge of several hostile environments: hot gas, abrasive ash, blocked visibility, electromagnetic noise, and signals that can arrive before the plume is easy to see.
The hidden history of coastal erosion
Coastal erosion has always been part of shoreline history, but its meaning changes with sea level, storms, sediment pathways, settlement, maps, engineering, and the values people attach to a changing coast.
The hidden history of earthquake early warning
The history of earthquake early warning is a story of instruments, telephone networks, public trust, and a crucial change in the question: not when an earthquake will happen, but where its shaking is headed.
The hidden history of volcanic lightning
Volcanic lightning has always been part of eruption experience, but the explanation changed as observation moved from eyewitness reports to photography, radio sensors, and coordinated monitoring.
Volcanic lightning explained: the ideas that matter
The cleanest explanation of volcanic lightning is not one clever label. It is a small set of linked ideas about charge, transport, thresholds, and evidence.
What coastal erosion teaches us about the world
Coastal erosion teaches a wider systems lesson: boundaries move, risks are distributed, and decisions made for one place can reshape the conditions experienced by places connected through energy, sediment, and institutions.
What earthquake early warning teaches us about the world
Earthquake early warning is more than a hazard technology. It shows how information, infrastructure, uncertainty, and collective practice determine whether a few seconds become safety.
What volcanic lightning teaches us about the world
Volcanic lightning is a lesson in emergence: large, visible events can be assembled from countless small interactions, and the best explanations connect scales instead of choosing only one.
Glacier movement explained: the ideas that matter
To understand glacier movement, keep a few ideas together: ice flows under gravity, the bed resists or enables sliding, mass balance controls the front, and observations operate at several scales.
How glacier movement works
Glaciers move because gravity drives ice downslope while pressure, internal deformation, basal sliding, water, and changing mass balance determine how fast the slow river of ice can travel.
How river deltas work
River deltas form where flowing water loses energy, drops sediment and builds outward into a low, branching landscape shaped by waves, tides and sea level.
How tsunami physics works
Tsunamis are long gravity-driven waves created when a large volume of water is displaced; their danger depends on how that motion travels, shoals, and meets a particular coast.
River deltas explained: the ideas that matter
The key ideas for understanding river deltas are sediment budgets, channel switching, relative sea level and the feedbacks between human infrastructure and natural processes.
The engineering challenge behind glacier movement
Predicting glacier movement is an engineering challenge because the important boundary is hidden beneath ice, the material deforms over many timescales, and water, sediment, weather, and terrain continually alter the system.
The engineering challenge behind river deltas
Engineering in river deltas means balancing flood protection, navigation, sediment delivery, subsidence, ecosystems and rising water across a changing coastal landscape.
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