Issue 78, Digital Download, March/April 2008

Highlights:

• The Unpaved Road to High-Temperature Superconductivity • Upgraded Hydroelectric Water Turbines • Electromagnetic Energy Exceeds Mass Energy • The Role of Mercury in High-Tc Oxide Superconductors • Production of Metals from Non-Metallic Graphite • A Possible Link Between Electrical and Gravitational Forces • The Seventh Wave and Beyond