Tech

Cooking with Waste Heat? The Potential and Reality of Waste Heat Recovery Heat Pump Cooking Appliances
High-temperature heat pump technology with waste heat recovery revolutionizes energy waste in conventional cooking appliances—how far have we come and how can we improve it?

Building Dams from Desert Sand — and Turning Them into Forests 30 Years Later
A proposal for Oasis Pellet technology: binding worthless desert sand with bio-adhesive to create water tanks that, at end of life, decompose into fertile soil.

How a Fire-Proof Battery Turns Wasted Electricity into Fertilizer and Heating
A 120-year-old Edison battery solves lithium-ion's fire and lifespan problems while turning surplus solar power into fertilizer — an energy-agriculture convergence model.