Archive

Date

Title

Theme

August 25, 2023
Direct Solar Power: Off-Grid Without Batteries

Low-tech Solutions
August 18, 2023
Thematic Book Series: How to Build a Low-tech Internet?

High-tech Problems
July 9, 2023
Human Powered Air Compressor and Energy Storage System

Low-tech Solutions
June 13, 2023
Rebuilding a Solar Powered Website

Low-tech Solutions
June 8, 2023
Low-tech Magazine: The Comic

Low-tech Solutions
February 28, 2023
Can We Make Bicycles Sustainable Again?

High-tech Problems
November 23, 2022
What if We Replace Guns and Bullets with Bows and Arrows?

Low-tech solutions
November 22, 2022
When Lethal Weapons Grew on Trees

Obsolete Technology
March 6, 2022
How to Build a Practical Household Bike Generator

Low-tech solutions
January 20, 2022
The Revenge of the Hot Water Bottle

Obsolete Technology
December 2, 2021
The Printed Website: Volume III & The Comments

Low-tech solutions
November 3, 2021
Fascine Mattresses: Basketry Gone Wild

Obsolete Technology
October 5, 2021
How to Build a Low-tech Solar Panel?

Low-tech solutions
May 11, 2021
How to Design a Sailing Ship for the 21st Century?

Low-tech solutions
March 28, 2021
Urban Fish Ponds: Low-tech Sewage Treatment for Towns and Cities

Obsolete Technology
February 18, 2021
How Sustainable is High-tech Health Care?

High-tech Problems
February 16, 2021
Vertical Farming Does not Save Space

High-tech problems
December 20, 2020
How and Why I Stopped Buying New Laptops

High-tech Problems
September 20, 2020
How to Make Biomass Energy Sustainable Again

Obsolete Technology
May 26, 2020
Thermoelectric Stoves: Ditch the Solar Panels?

Low-tech Solutions
April 16, 2020
Fruit Trenches: Cultivating Subtropical Plants in Freezing Temperatures

Obsolete Technology
January 28, 2020
How Sustainable is a Solar Powered Website?

Low-tech Solutions
January 27, 2020
The Solar Powered Website in Spanish, French, and Other Languages

High-tech Problems
December 29, 2019
Too Much Combustion, Too Little Fire

Obsolete Technology
December 8, 2019
The Printed Website: Second Volume Out Now

High-Tech Problems
October 17, 2019
Mist Showers: Sustainable Decadence?

Low-tech Solutions
June 2, 2019
Reinventing the Small Wind Turbine

Low-tech Solutions
June 2, 2019
How to Make Wind Power Sustainable Again

High-tech Problems
March 31, 2019
Low-tech Magazine: The Printed Website

Obsolete Technology
February 27, 2019
Heat your House with a Mechanical Windmill

Low-tech Solutions
December 9, 2018
Keeping Some of the Lights On: Redefining Energy Security

Low-tech solutions
November 3, 2018
How Circular is the Circular Economy?

High-tech problems
September 24, 2018
How to Build a Low-tech Website?

Low-tech Solutions
August 5, 2018
Could We Dredge the Netherlands Without Fossil Fuels?

Obsolete Technology
July 25, 2018
The Messy World of Fermentation

Low-tech Solutions
July 5, 2018
We Can't Do It Ourselves

High-tech problems
May 16, 2018
Ditch the Batteries: Off-Grid Compressed Air Energy Storage

Low-tech Solutions
May 15, 2018
History and Future of the Compressed Air Economy

Obsolete Technology
January 24, 2018
How Much Energy Do We Need?

Low-tech Solutions
January 9, 2018
Bedazzled by Energy Efficiency

High-tech Problems
September 21, 2017
How to Run the Economy on the Weather

Low-tech Solutions
September 13, 2017
How (Not) to Run a Modern Society on Solar and Wind Power Alone

High-Tech Problems
August 24, 2017
Non-Electric Hearing Aids Outperform Modern Devices

Obsolete Technology
May 28, 2017
Could We Run Modern Society on Human Power Alone?

Low-tech Solutions
March 17, 2017
Heat Storage Hypocausts: Air Heating in the Middle Ages

Obsolete Technology
February 20, 2017
Vietnam's Low-tech Food System Takes Advantage of Decay

Low-tech Solutions
February 20, 2017
Rebooting Energy Demand: Automatic Software Upgrades

High-tech problems
February 12, 2017
Medieval Heating System Lives on in Spain

Obsolete Technology
November 22, 2016
Why the Office Needs a Typewriter Revolution

Low-tech Solutions
November 22, 2016
The Curse of the Modern Office

High-tech Problems
October 25, 2016
Pigeon Towers: A Low-tech Alternative to Synthetic Fertilizers

Obsolete Technology
May 17, 2016
How to Get Your Apartment Off the Grid

Low-tech Solutions
April 27, 2016
Slow Electricity: The Return of DC Power?

Low-tech Solutions
March 30, 2016
Power Water Networks

Obsolete Technology
December 24, 2015
Reinventing the Greenhouse

Low-tech Solutions
December 24, 2015
Fruit Walls: Urban Farming in the 1600s

Obsolete Technology
October 26, 2015
How to Build a Low-tech Internet

Low-tech Solutions
October 25, 2015
The 4G Mobile Internet That's Already There

Low-tech Solutions
October 19, 2015
Why We Need a Speed Limit for the Internet

High-tech Problems
October 13, 2015
Garum: Fermented Fish Sauce for the Ancient Roman Masses

Obsolete Technology
June 17, 2015
Water Johads: A Low-Tech Alternative to Mega-Dams in India

Low-tech Solutions
May 3, 2015
How Sustainable is Stored Sunlight?

High-tech Problems
April 26, 2015
How Sustainable is PV solar power?

High-tech Problems
March 11, 2015
Radiant & Conductive Heating Systems

Low-tech Solutions
March 11, 2015
How to Keep Warm in a Cool House

Low-tech Solutions
February 11, 2015
Restoring the Old Way of Warming: Heating People, not Places

Obsolete Technology
September 10, 2014
The Revenge of the Circulating Fan

Low-tech Solutions
July 1, 2014
If We Insulate Our Houses, Why Not Our Cooking Pots?

Low-tech Solutions
June 23, 2014
Well-Tended Fires Outperform Modern Cooking Stoves

High-tech Problems
May 5, 2014
Modular Cargo Cycles

Low-tech Solutions
March 25, 2014
How Sustainable is Digital Fabrication?

High-tech Problems
December 16, 2013
High Speed Trains are Killing the European Railway Network

High-tech Problems
November 6, 2013
Heat Your Clothes, Not Your House

Low-tech Solutions
September 30, 2013
Burning the Bones of the Earth: Lime Kilns

Obsolete Technology
September 9, 2013
Power from the Tap: Water Motors

Obsolete Technology
August 11, 2013
Back to Basics: Direct Hydropower

Low-tech Solutions
March 2, 2013
The Mechanical Transmission of Power (3): Endless Rope Drives

Obsolete Technology
February 2, 2013
The Mechanical Transmission of Power (2): Jerker Line Systems

Obsolete Technology
January 23, 2013
The Mechanical Transmission of Power (1): Stangenkunst

Obsolete Technology
December 15, 2012
How to Make Everything Ourselves: Open Modular Hardware

Low-tech Solutions
October 24, 2012
Electric Velomobiles: as Fast and Comfortable as Automobiles, but 80 times more Efficient (Part Two)

Low-tech solutions
October 24, 2012
Electric Velomobiles: as Fast and Comfortable as Automobiles, but 80 times more Efficient

Low-tech Solutions
September 24, 2012
Cargo Cyclists Replace Truck Drivers on European City Streets

Low-tech Solutions
April 25, 2012
How to Keep Beverages Cool Outside the Refrigerator

Low-tech Solutions
March 24, 2012
The Solar Envelope: How to Heat and Cool Cities without Fossil Fuels

Low-tech Solutions
February 24, 2012
The Art of Producing Sustainable Consumer Goods: Basketry

Obsolete Technology
December 29, 2011
How to Downsize a Transport Network: The Chinese Wheelbarrow

Obsolete Technology
November 13, 2011
Gas Bag Vehicles

Obsolete Technology
September 29, 2011
Medieval Smokestacks: Fossil Fuels in Pre-industrial Times

Obsolete Technology
July 26, 2011
The Bright Future of Solar Thermal Powered Factories

Low-tech Solutions
May 25, 2011
The Short History of Early Pedal Powered Machines

Obsolete Technology
May 25, 2011
Pedal Powered Farms and Factories: The Forgotten Future of the Stationary Bicycle

Low-tech Solutions
May 25, 2011
Bike Powered Electricity Generators are Not Sustainable

High-tech Problems
February 27, 2011
Insulation: First the Body, Then the Home

Low-tech Solutions
January 26, 2011
Aerial Ropeways: Automatic Cargo Transport for a Bargain

Obsolete Technology
December 15, 2010
Hand Powered Drilling Tools and Machines

Obsolete technology
November 16, 2010
Boat Mills: Water Powered, Floating Factories

Obsolete Technology
September 30, 2010
The Velomobile: High-tech Bike or Low-tech Car?

Low-tech Solutions
September 15, 2010
Recycling Animal and Human Dung is the Key to Sustainable Farming

Low-tech Solutions
September 5, 2010
Piston-powered aircraft from the 1950s were as fuel-efficient as the current average jet

High-tech Problems
June 28, 2010
Lost Knowledge: Ropes and Knots

Obsolete Technology
June 28, 2010
How to tie the world together: online knotting reference books

Obsolete Technology
May 3, 2010
The Status Quo of Electric Cars: Better Batteries, Same Range

High-tech Problems
April 22, 2010
Overview of Early Electric Cars (1895-1925)

Obsolete Technology
March 25, 2010
The Sky is the Limit: Human-Powered Cranes and Lifting Devices

Obsolete Technology
January 18, 2010
Wood Gas Vehicles: Firewood in the Fuel Tank

Obsolete Technology
December 15, 2009
Trolley Canal Boats

Obsolete Technology
November 18, 2009
How (Not) To Resolve the Energy Crisis

High-tech Problems
October 26, 2009
Cars: out of the way

Low-tech Solutions
October 19, 2009
Rings of Fire: Hoffmann Kilns

Obsolete technology
October 18, 2009
How to make everything yourself - online low-tech resources

Low-tech Solutions
October 8, 2009
Wind Powered Factories: History (and Future) of Industrial Windmills

Obsolete Technology
September 17, 2009
Water Powered Cable Trains

Obsolete Technology
July 10, 2009
Get Wired (Again): Trolleybuses and Trolleytrucks

Low-tech Solutions
July 9, 2009
Electric Road Trains

Obsolete Technology
June 16, 2009
The Monster Footprint of Digital Technology

High-tech Problems
June 14, 2009
How much energy does it take (on average) to produce 1 kilogram of the following materials?

High-tech Problems
April 19, 2009
Small Windmills Put to the Test

High-tech Problems
April 13, 2009
Sailing at the Touch of a Button

Low-tech Solutions
April 12, 2009
Cargo Ships, Then and Now

Low-tech Solutions
March 10, 2009
Who Killed the Electric Grid? Fast-charging Electric Cars

High-tech Problems
February 19, 2009
The Museum of Old Techniques

Obsolete Technology
February 13, 2009
Truckloads of Hard Disks

High-tech Problems
February 9, 2009
Camping in the clouds: the Aeromodeller II

Low-tech Solutions
January 19, 2009
Moonlight Towers: Light Pollution in the 1800s

Obsolete Technology
December 21, 2008
Only idiots travel by train

High-tech Problems
December 5, 2008
Sunbathing in the Living Room: Oven Stoves and Heat Walls

Low-tech Solutions
November 25, 2008
How to Build a Floating Trash Island

Low-tech Solutions
November 12, 2008
Tiles as a Substitute for Steel: The Art of the Timbrel Vault

Obsolete technology
October 14, 2008
Viva Las Vegas: LEDs and the energy efficiency paradox

High-tech Problems
September 11, 2008
The Age of Speed: How to Reduce Global Fuel Consumption by 75 Percent

Low-tech Solutions
September 2, 2008
Urban windmills harm the environment

High-tech Problems
August 24, 2008
A Steam Powered Submarine: The Ictíneo

Obsolete Technology
June 29, 2008
Carbon sequestration: Bury the Idea, not the CO2

High-tech Problems
June 6, 2008
The Citroen 2CV: Cleantech from the 1940s

Obsolete Technology
June 4, 2008
Life Without Airplanes: from London to New York in 3 Days and 12 Hours

Obsolete Technology
May 21, 2008
Is ecotech the new asbestos?

High-tech Problems
May 9, 2008
Mechanical Calculators: Computing Without Electricity

Obsolete Technology
April 24, 2008
The Pinhole Camera: Low-tech Photography

Obsolete Technology
April 18, 2008
Bring Back the Horses

Low-tech Solutions
April 4, 2008
Leave the Algae Alone

High-tech Problems
March 22, 2008
Why bottled water is good for the environment

High-tech Problems
March 16, 2008
Life Before Television

Obsolete Technology
March 3, 2008
The Ugly Side of Solar Panels

High-tech Problems
February 22, 2008
A World Without Trucks: Underground Freight Networks

Obsolete Technology
February 18, 2008
Download, print, fold, paste

Low-tech Solutions
February 13, 2008
The Right to 35 Mobiles

High-tech Problems
February 7, 2008
Faster Internet is Impossible

High-tech Problems
January 25, 2008
The digital oubliette

High-tech Problems
January 21, 2008
Why the electric car has no (wireless) future

High-tech Problems
January 18, 2008
Satellite Navigation in the 18th Century

Obsolete Technology
January 14, 2008
The World's Factory Hall

High-tech Problems
January 11, 2008
Gaming unplugged

Low-tech Solutions
January 9, 2008
Cars on Hot Air

High-tech Problems
January 3, 2008
Information damages the environment

High-tech Problems
December 29, 2007
Heat your House with Car Tyres and Earth

Low-tech Solutions
December 23, 2007
Email in the 18th Century: The Optical Telegraph

Obsolete Technology
May 14, 2007
Second Hand Bits and Bytes

High-tech Problems
April 6, 2007
High speed trains: planes on wheels

High-tech Problems