General Awareness

SCIENCE & TECHNOLOGY - May 2015

May 2015

May 16, 2015

The First Quadruple Quasar Discovered

A team of astronomers has discovered the first quadruple quasar, four rare active black holes situated in close proximity to one another.
The four quasars are surrounded by a giant nebula of cool dense hydrogen gas, which emits light because it is irradiated by the intense glare of the quasars. In addition, both the quartet and the surrounding nebula reside in a rare corner of the universe with a surprisingly large amount of matter.

May 15, 2015

Scientists Discover New State of Matter

Scientists in Japan have discovered a new state of matter called the ‘Jahn-Teller-metal’ that resembles an insulator, superconductor, metal and magnet all rolled into one.
The team made the discovery by studying a superconductor made from carbon-60 molecules or buckyballs.
According to researchers, the research could help develop new molecular materials that are superconductors at even higher temperatures.
The study shows that the material has a rich combination of insulating, magnetic, metallic and superconducting phases - including the otherwise unknown state, dubbed as “Jahn-Teller metal”.

Mystery Dark Material on Jupiter's Moon is Sea Salt

NASA scientists have found that the mysterious dark material coating some geological features of Jupiter's moon Europa is likely sea salt from a subsurface ocean, discoloured by exposure to radiation.
Presence of sea salt on Europa's surface suggests the ocean is interacting with its rocky seafloor - an important consideration in determining whether the icy moon could support life.
For more than a decade, scientists have wondered about the nature of the dark material that coats long, linear fractures and other relatively young geological features on Europa's surface.

May 14, 2015

ISS Astronauts' Return Delayed

The return of three International Space Station astronauts, originally scheduled for later this week, has been delayed due to the failure of a Russian cargo spacecraft.
The spacecraft, Progress 59, launched by a Soyuz rocket from the Baikonur space centre in April failed to dock with the ISS after suffering a communication failure.
The launch of the next Russian cargo craft, Progress 60, has also been delayed until early July. NASA noted that the ISS has sufficient supplies to support crews until the fall of 2015.

May 13, 2015

New Device to Block Pain Signals from Reaching the Brain

Researchers have created a new device that can stop pain signals from reaching the brain.
The new implantable device could soon put the minds of chronic pain sufferers at ease by distributing the body's own natural pain relief signals at just the right time.
Researchers at Linkoping University and Karolinska Institutet are the first in the world with a technology that can stop pain impulses in living, freely moving rats using the body's own pain relief signals.

May 12, 2015

No Evidence of Life in 100,000 Galaxies

A team of scientists after searching 100,000 galaxies for signs of highly advanced extraterrestrial life has found no evidence of advanced civilisations in them.
The idea behind the research is that, if an entire galaxy had been colonized by an advanced spacefaring civilization, the energy produced by that civilization's technologies would be detectable in mid-infrared wavelengths.

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