Tech

Cooking with Waste Heat? The Potential and Reality of Waste Heat Recovery Heat Pump Cooking Appliances

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

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

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.