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Photo of light brown sand beach littered with brightly-coloured pieces of plastic,which will continue to reduce in size until they are vanishingly small.
Hope

Turning Plastic Waste Into Vinegar

One solution to plastic waste might not have any downside.
01 Apr 2026 2 min read
Colourful fungus on a mossy forest floor. And maybfood, packaging, cosmetics, and animal feed.
Members only
Agriculture

The Mycelium Market: Below Grass Roots

25 Mar 2026 3 min read
A building linked to its ghostly digital twin by flows of data
Paid-members only
Energy

Digital Twins, Enabled by Technology Advances, Lower Carbon Footprints

19 Mar 2026 8 min read
The Road More Travelled
Measurement

The Road More Travelled

Back there a ways, two roads diverged. Maybe the one less-travelled would have been a better idea.
17 Mar 2026 5 min read
Nuclear Power 4: Follow the Yellow-cake Road?

Nuclear Power 4: Follow the Yellow-cake Road?

We're here for an argument: Three different views on the global future of nuclear power.
09 Mar 2026 9 min read
A photo of ice crystals on glass suggests warp-drive special effects.

Nuclear Power 3: Dilithium Crystals?

A brief look at the current and coming nuclear technologies and their challenges and capabilities.
03 Mar 2026 6 min read
Computer punch card found in a textbook while researching this article.
Opinion

Externalities

Is your life really worth nothing?
25 Feb 2026 6 min read
A hot side on the left, cool side on the right, radiating fins surrounding a central mechanism. Obviously not an engineering drawing. See below for that!
Hope

Elastocaloric Cooling

Cool new tech for refrigeration without refrigerants or compressors.
17 Feb 2026 4 min read
Nuclear Energy 2: Hot Bananas and Radiation Risks
Nuclear

Nuclear Energy 2: Hot Bananas and Radiation Risks

Unique dangers have created long-standing resistance to nuclear power.
10 Feb 2026 8 min read
Bar chart showing renewables percentage of total energy consumption. 1990: 15.1 percent. 2022: 17.9 percent.
Measurement

How much renewable energy do we use?

Probably less than you think.
03 Feb 2026 3 min read
Stick figure wielding a long lever across a fulcrum, lifting a balloon-like circle with image of CO2 molecule in its centre.
Measurement

Efficiency - A Little Bit Goes a Long Way

Like comedian Rodney Dangerfield, energy efficiency "don't get no respect," but it deserves more policy attention and more widespread application.
28 Jan 2026 8 min read
What Counts
Measurement

What Counts

How are we doing in this climate-fight thing? We have plenty of ways to measure.
20 Jan 2026 2 min read
Electric motors

Electric motors

Two articles on the same topic: electric motors. One quick and easy, one deep and detailed.
13 Jan 2026 1 min read
Blue-painted electric induction motor with about a quarter of the housing cut away to reveal interior cross-section of stator windings, rotor, bearings, and shaft
Paid-members only
Electricity

Stator The Art: The Electric Motors In Your EV

12 Jan 2026 9 min read
Torque wars
Electricity

Torque wars

Electric motors make a comeback.
12 Jan 2026 3 min read
Isometric sketch of simplified gyrotron at the top of a well casing that contains a central wave guide tube, surrounded by space for purge gas
Hope

Gyrotron Well Drilling for Deep Geothermal Energy

Bit-less deep-well drilling teases the prospect of terawatts of clean energy.
06 Jan 2026 4 min read
No Cartoon Escape Hatch
Members only
Opinion

No Cartoon Escape Hatch

30 Dec 2025 6 min read
O Hauling Night
Climate Change Featured

O Hauling Night

Do you recall the most energy-intensive task of them all?
23 Dec 2025 7 min read
Operators in a fantastically complex Chernobyl control room.
Members only
Energy

Nuclear Power - Part 1

16 Dec 2025 7 min read
Large white battery-electric rail locomotive, mounted on a large road trailer with dozens of wheels
Electricity

No One Said It Would Be Easy

An Australian mining company's first attempt to build an entirely gravity-powered ore train doesn't quite work (yet), but we shouldn't be discouraged.
09 Dec 2025 4 min read
Extinction Exits
Extinction

Extinction Exits

How species get out of deep trouble. Part 2 of a series on extinction.
02 Dec 2025 6 min read
Two Copper Pieces

Two Copper Pieces

Two articles on the same topic: copper. One quick and easy, one deep and detailed.
25 Nov 2025 1 min read
Gleaming copper tubes in a perspective shot with a shallow depth of field. Very artsy.
Materials

Copper: The Shorter Story

The Earth has a lot of copper, which is good because we're going to need it. But we also need to get better at extracting it in environmentally safer ways.
24 Nov 2025 5 min read
Many coiled and twisted bundles of bare, shiny copper wire, ready for recycling
Paid-members only
Materials

Copper: The Longer Story

24 Nov 2025 11 min read
Aerial photograph of new modern cargo ship with two sets of vertical sails, in bright sunshine and blue water
Hope

Sail-Powered Cargo Ships Scale Up

A new, much-bigger addition to the world's fleet of hybrid sail/diesel-powered commercial cargo ships.
18 Nov 2025 2 min read
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