#respect #J.C.Bose

Hello friends,
                     Today I m not talking about any new gadget or tech. Today I fell proud to talk to all of u about a great “physicist, biologist, biophysicist, archaeologist and a writer too”.

Yes! he is none another late Sir Jagadish Chandra Bose (30 November 1858 – 23 November 1937).

Living in British India, he pioneered the investigation of “radio and microwave” “optics”, made very significant contributions to “plant science”, and laid the “foundations of experimental science” in the Indian subcontinent.

IEEE (Institute of Electrical and Electronics Engineers) named him one of the “fathers of radio science”.He is considered the “father of Bengali science fiction”. He also invented the Crescograph. A crater on the moon has been named in his honor.

Born in Munshiganj, Bengal Presidency during the British Raj, Bose graduated from St. Xavier's College, Calcutta. He then went to the University of London to study medicine, but could not pursue studies in medicine because of health problems. Instead, he conducted his research with the Nobel Laureate Lord Rayleigh at Cambridge and returned to India.

He then joined the Presidency College of University of Calcutta as a Professor of Physics. There, despite racial discrimination and a lack of funding and equipment, Bose carried on his scientific research.

He made remarkable progress in his “research of remote wireless signalling” and was the first to use “semiconductor junctions” to detect radio signals.

#Proud To Be An Indian…

However, instead of trying to gain commercial benefit from this invention, Bose made his inventions public in order to allow others to further develop his research.

Bose subsequently made a number of pioneering discoveries in “plant physiology”. He used his own invention, the crescograph, to measure plant response to various stimuli, and thereby scientifically proved “parallelism” between animal and plant tissues.

Although Bose filed for a patent for one of his inventions because of peer pressure, his reluctance to any form of patenting was well known. To facilitate his research, he constructed automatic recorders capable of registering extremely slight movements; these instruments produced some striking results, such as Bose's demonstration of an apparent power of feeling in plants, exemplified by the quivering of injured plants. His books include “Response in the Living and Non-Living (1902)” and “The Nervous Mechanism of Plants (1926)”.

#Radio-Wave Invention & Proof Of Existence

1.) The Scottish theoretical physicist “James Clerk Maxwell” mathematically predicted the existence of electromagnetic radiation of diverse wavelengths, but he died in 1879 before his prediction was experimentally verified.

2.) Between 1886 and 1888 German physicist Heinrich Hertz published the results of his experiments that showed the existence of electromagnetic waves in free space.

3.) Subsequently, British physicist Oliver Lodge, who had also been researching electromagnetism, conducted a commemorative lecture in August 1894 (after Hertz's death) on the quasi-optical nature of “Hertzian waves” (radio waves) and demonstrated their similarity to light and vision including reflection and transmission at distances up to 50 meters. Lodge's work was published in book form and caught the attention of scientists in different countries including Bose in India.

FINALLY!!!!

The “first remarkable aspect of Bose's” follow up microwave research was that he reduced the waves to the millimeter level (about 5 mm wavelength). He realized the disadvantages of long waves for studying their light-like properties.

During a November 1894 (or 1895) public demonstration at Town Hall of Kolkata, Bose ignited gunpowder and rang a bell at a distance using millimeter range wavelength microwaves. “Lieutenant Governor Sir William Mackenzie” witnessed Bose's demonstration in the Kolkata Town Hall.

This is just a little introduction to sir J.C.Bose inventions and all. We can discuss a lot on his inventions…

WISH U A VERY HAPPY BIRTHDAY SIR…!!!

Late Jagadish Chandra Bose