Issue 49, Digital Download, May/June 2003

Highlights:

• Defiance Rising—Super-Tall and Ultra-Secure Buildings: Energy Efficient, Life Enhancing Real Estate in the Sky • Four Paradoxes Involving the Second Law of Thermodynamics • Bring Me the Head of Maxwell’s Demon! • The Emergence of Magnetic Technology • Metastable Helium: An Overlooked Rocket Fuel, Cold Fusion Catalyst and Much More