The Problem of Increasing Human Energy: With Special Reference to the Harnessing of the Sun's Energy

The True Wireless

UNIVERSE

Energy and Civilization: A History

Crystal Healing: A Beginners Guide on Using Earth Energies for Healing (How to Use Stress and Anxiety Management, and Development of Your Intuition)

Crystal Healing: The Ultimate Guide on the Power of Crystals (Harness the Power of Crystals and Sacred Geometry for Manifesting Abundance)

Crystal Healing: Heal Yourself With Crystals and Healing Stones (Strategies to Transform Your Health With the Power of Stone Magic)

Energy for Future Presidents: The Science Behind the Headlines

Innovation Landscape brief: Artificial Intelligence and Big Data

The Hype About Hydrogen: Fact and Fiction in the Race to Save the Climate

Renewable Energy Resources

Microalgae Cultivation for Biofuels Production

Substation Automation Systems: Design and Implementation