General Awareness

SCIENCE & TECHNOLOGY - March 2018

Mar 2018

Dec 14, 2018

Aircraft-like Black Box Systems in Trains

The Indian Railways is soon going to install aircraft-like black box systems in trains.
The Indian Railway has started installing Loco cab audio video recording system (LCAVR) / Crew Voice/Video Recording System (CVVRS) in Diesel and Electric locomotives.
This system provides invaluable data to investigators which will help them in understanding the sequence of events leading up to an accident and for identifying operational issues and human factors.

Dec 13, 2018

Eco-friendly Algae Curtains

Two European architects have developed plant-filled plastic curtains designed to turn building facades into "living walls" that help purify dirty air.
The curtains contain a maze-like network of tubes filled with microscopic algae, which like all green plants remove carbon dioxide from the air while pumping out oxygen via the carbon-sequestering process known as photosynthesis.
Air flows into the bottom of the curtains and rises through the tubes, feeding the microalgae along the way.

Dec 12, 2018

Messaging Feature by Instagram

Instagram has added the new communication feature to its app. A new microphone button has been added to the photo and video app.
Unlike WhatsApp where you first choose the recipient, on Instagram you can first record the message and then share it with a single contact or group.
Additionally, these voice messages appear in the receiver`s chat window as a Wav file and don`t disappear after being listened to.

Dec 11, 2018

Signs of Water Found on Asteroid Bennu

NASA's OSIRIS-REx spacecraft has discovered ingredients for water on a relatively nearby skyscraper-sized asteroid, a rocky acorn-shaped object that may hold clues to the origins of life on Earth.
The probe, on a mission to return samples from the asteroid to Earth for study, was launched in 2016. Bennu, roughly a third of a mile wide, orbits the sun at roughly the same distance as Earth.
There is concern among scientists about the possibility of Bennu impacting Earth late in the 22nd century.

Dec 09, 2018

China to Uncover Moon's Dark Side

China launched a rover destined to land on the far side of the moon, a global first that would boost Beijing's ambitions to become a space superpower.
The Chang'e-4 lunar probe mission, named after the moon goddess in Chinese mythology, was launched on a Long March 3B rocket from the southwestern Xichang launch centre.
Chang'e-4 is humanity's first probe to land on and explore the far side of the moon.

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