What is Electromagnetic energy? Electromagnetic energy travels in waves and spans a broad spectrum from very long radio waves to very short gamma rays. The human eye can only detect only a small portion of this spectrum called visible light. A radio detects a different portion of the spectrum, and an x-ray machine uses yet another portion. NASA's scientific instruments use the
Insights Daily Current Events, 25 September 2015 Archives Paper 1 Topic: Government policies and interventions for development in various sectors and issues arising out of their design and implementation. Centre puts the brakes on JNNURM research projects, capacity-building The Urban Development Ministry has asked the States to terminate their research and capacity-building measures under the … Continue reading "Insights Daily Current Events, 25 September 2015"
Remote sensing Remote sensing is the acquisition of information about an object or phenomenon without making physical contact with the object and thus in contrast to in situ observation. In modern usage, the term generally refers to the use of aerial sensor technologies to detect and classify objects on Earth by means of propagated signals . For further details visit www.microlifeindia.org