Since ages the natural photosynthesis has sustained human civilization by providing food, fuel and the life sustaining environment, which is now threatened by the twin challenges of energy security and global warming. Researchers all over the world have turned to artificial photosynthesis for future sustainable life on this planet.  Artificial …

Like the British Royal Navy more than a century before it, the U.S. Navy has a command of the sea that affords the United States unrivaled international influence.  By its use of the sea, which covers nearly three-quarters of the earth, a navy can do things that land-based forces cannot. …

The electromagnetic pulse commonly abbreviated as EMP, is a high-intensity burst of electromagnetic energy caused by the rapid acceleration of charged particles, can be produced by intense solar storms or by a nuclear weapon detonated high in the atmosphere. For example, solar geomagnetic storms (geomagnetic disturbances or GMD) create immediate …