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General Awareness

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SCIENCE & TECHNOLOGY - June 2017

Jun 2017

Jul 12, 2017

Brown Dwarfs

  • A new study conducted by scientists has found that Milky Way may have over 100 billion brown dwarfs.
  • Brown dwarfs are objects intermediate in mass between stars and planets, with masses too low to sustain stable hydrogen fusion in their core, the hallmark of stars like the sun.
  • The initial discovery of brown dwarfs was made in 1995.

Jul 08, 2017

World's First Battery-free Cell Phone

  • Scientists, including those of Indian origin, have invented the first battery-less cell phone that consumes almost zero power and runs by harvesting energy from ambient radio signals or light.

Jul 06, 2017

Britain’s Biggest Ever Warship Queen Elizabeth Starts Trials

HMS Queen Elizabeth, Britain's biggest ever warship, is conducting sea trials ahead of her commissioning in 2018. The ₤3.5bn ($4.5bn) vessel is the world's largest aircraft carrier outside of the US navy. The vessel outstrips aircraft carriers operated by the Russian and Chinese navies as also Indian Navy's INS Vikramaditya. Its length covers three football pitches . The vessel is also longer than the houses of UK Parliament. 

Jul 04, 2017

Conservationists find rare Siamese crocodile eggs in Cambodia

Conservationists in Cambodia have found a nest with 19 eggs from one of the world’s most endangered crocodiles, boosting hopes for a rare species threatened by poachers and habitat loss. The clutch of fist-sized eggs was discovered this week by environmental officers and local villagers near a pond in southwestern Koh Kong province, according to the Wildlife Conservation Society (WCS), which assisted with the discovery. The group had been searching for tracks, dung and other signs of wild Siamese Crocodiles, a species whose population has plummeted at an alarming rate in recent years. Researchers believe only 400 adults still exist in the wild, mostly in Cambodia.

 

India Test-fires Quick Reaction Missile

India successfully test-fired its indigenously developed quick reaction surface-to-air short range missile from a test range along the Odisha coast. It was the second development trial of the state-of-the art missile with an aerial target. The missile has been developed by DRDO and other establishments. The missile which has a strike range of 25 to 30 km, is capable of engaging multiple targets . Designed to be a quick reaction missile, it involves an all-weather weapon system capable of tracking and firing. 

India Test-fires Quick Reaction Missile

India successfully test-fired its indigenously developed quick reaction surface-to-air short range missile from a test range along the Odisha coast. It was the second development trial of the state-of-the art missile with an aerial target. The missile has been developed by DRDO and other establishments. The missile which has a strike range of 25 to 30 km, is capable of engaging multiple targets . Designed to be a quick reaction missile, it involves an all-weather weapon system capable of tracking and firing. 

Jul 03, 2017

China’s New Heavy Lift Rocket Launch Fails in Flight

China’s launch of a new heavy-lift rocket, the Long March-5 Y2, carrying what the government said was its heaviest ever satellite, failed on Sunday. The same rocket type had been expected to take China’s latest lunar probe to the Moon this year and to return with samples.It is not clear how the timetable for that mission could be affected by the failed launch.President Xi Jinping has prioritised advancing China’s space programme to strengthen national security and defence, and the government has stressed it is a purely peaceful initiative. 

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