The song Vande-Mataram first appeared in Bankim Chandra Chatterjee’s Anandamath. Tagore composed the tune of the song and sang at the 12th session of the Indian National Congress in 1896. In 1904, the first gramophone record of the song in Tagore’s voice came in the market.
The trio of Indian nationalists was Lal, Bal and Pal. In about 1905 they became active in the Swadeshi Movement appealing the public to denounce British goods. Lal was the name of Lala Lajpat Rai, Bal was Balgangadhar Tilak and Pal was Bipin Chandra Pal.
When an object moves very fast, it gains mass, but this effect is appreciable when the object moves at a speed very close to the speed of light, which is very very fast. In fact, the mass increases so much that it appears to be infinitely heavy. This is not observed in daily life but…
Whale sharks are largest known animals of the earth. They typically measure more than 60 feet. A whale shark has in its mouth over 4,000 teeth that are placed in several rows that resemble a rasp (a kind of flat tool with sharp projections to work on wood). These teeth are not used for feeding.
The black ironwood is the wood from the tree Olea laurifolia found in the forests of the South Africa. It is the world’s densest wood with a specific gravity of 1.49. It is also one of the heaviest woods with a weight of 452 kg per square metre. Owing to its specific gravity being higher than…
A neutron star is a remnant of a star after it has collapsed due to its own gravity. These stars are composed of subatomic particles called neutrons without any electrical charge. These stars could be two times the mass of the sun. The neutron stars have a very high surface gravity which could be 2…
