The Emerging Economy of AI Agents: Who Pays, Who Gains, and Who Verifies?
From ResearchHub and Bittensor to Olas, Nevermined and Moltbook: eight experiments in exchanging AI work, data, attention and rewards—and the risks of mistaking transactions for trustworthy knowledge.
What If Every Building Had a Heat Refuge?
A safe room for extreme heat sounds simple. Making it real means designing for solar gain, power failure, access and care—then testing the weakest link before the next heatwave.
Alkemata Morning Press Review — 21 October 2026
Four developments reveal what headline averages and simple labels can hide: unequal access to chronic-disease care, control of contactless payments, emissions accounting and lasting deep-ocean damage.
Before an AI Agent Acts, Ask for a Change Preview
An AI agent’s plan is not an exact preview of its actions. Test a workflow that binds approval to specific changes, detects stale versions and makes recovery limits visible.
Before Dimming a Street, Decide What Its Light Is For
Street lighting is a public design choice, not a contest between brightness and darkness. A bounded, reversible trial can test energy savings without overlooking who still needs the street.
Steer a Spacecraft by Tilting a Spinning Wheel
Control moment gyroscopes turn a small gimbal motion into a large spacecraft torque. Explore the angular-momentum trick, singularities and fuel-free steering.
A Bridge Needs Room to Move
A bridge can stay dependable by allowing carefully chosen movements. Explore how joints, bearings and foundations handle thermal expansion—and model the trade-off with two strips of card.
To Make a Laser Pulse Stronger, First Make It Longer
Why stretch a femtosecond laser pulse before amplifying it? Chirped-pulse amplification separates colours in time, protects optics and restores enormous peak power.
Why Noise-Cancelling Headphones Let Voices Through
Noise-cancelling headphones can quiet a motor yet leave nearby speech audible. Learn how timing, frequency and fit divide the work, then try a safe comparison without music.
The One-Bit Converter That Pushes Its Errors Out of the Way
How can a one-bit comparator measure delicate analogue signals? A sigma-delta converter uses feedback, rapid sampling and digital filtering to move quantisation error out of the useful band.