I explain and teach tech­nol­o­gy, solve tech prob­lems and help you make gad­get buy­ing decisions.

For a general overview of what counts as technology from the ancient world to the 21st century, see history of technology.
Do you know what an elastomer is? Think rubber—a crucially important technology.
Coal mining, coal utilization, petroleum production, petroleum refining, and nuclear power: all of these articles, and many more, explain how technology is used to generate energy.
Technology is essential to the production of food. Learn more about the origins of agriculture, commercial fishing, dairy farming, fruit farming, intensive animal farming, livestock farming, poultry farming, and vegetable farming. Almost everything we humans consume is made possible by technology, from coffee and tea to ultra-processed foods and soft drinks.
How are stone tools, the Bessemer process, and the Apple II personal computer related? They’re all technological inventions that have changed our world.
Construction technology has transformed Earth for thousands of years through bridges, canals and inland waterways, dams, harbors and sea works, lighthouses, skyscrapers, roads and highways, and tunnels and underground excavations. Engineered materials such as cement and steel have made bigger and stronger versions of these structures possible over time.
Technology enables us to drive, fly, and sail around the world—and to leave Earth behind.
The Internet might be today’s most important communications technology (specifically, it’s a system architecture), but telecommunication and telecommunications media have a long history. Don’t forget that telephones, photography, printing, and paper are forms of communication technology just like smartphones and messaging apps.
Pop music has been dependent on technological advances, from phonographs to Auto-Tune.