Living Library

Search by realm, category or article type. Every post is organised so you can follow a thread or stumble across something unexpected.

2 results

Realm

Blue Energy — Can We Harvest Power Where Rivers Meet the Sea?

When fresh water and salt water mix, a concentration difference disappears. That difference contains usable free energy. "Blue energy" technologies try to capture part of it before the waters fully mix.

7 September 2026 4 min

A plug-in energy meter and a coiled power cable on a wooden workbench

Home Energy

Home Electricity for Beginners — AC, DC, Volts, Amps, Watts and kWh Without the Headache

You do not need to become an electrician to understand your energy bill, a battery or a power station. Five ideas — voltage, current, power, energy and AC/DC — explain most of what beginners need.

6 September 2026 4 min