Author: Dr G A Ramadass

OCEANS: THE INNERSPACE Oceans cover about 71% of the planet earth. It means 71% of the earth’s resourc­es are still unexplored and unexploited whereas terrestrial resources are dimin­ishing rapidly. Oceans or the ‘Inner­space’, our own backyard, is a treasure trove of living and non-living resources. With a good telescope one can watch the Saturn rings from one’s terrace. A Mars rover can be controlled, from your laboratory. But one cannot observe or control something a few metres below the water surface. Electromagnetic waves do not travel long distances in wa­ter, especially in seawater. Systems like radars, GPS, communication systems, using…