Physical sciences: GK, Current Affairs, Questions, Trivia and News

IISER Bhopal develops cheaper organic solar cells using vitamin B12 derivative

The researchers at the Indian Institute of Science Education and Research (IISER) Bhopal have developed cheaper and more flexible organic solar cells using a synthetic derivative of vitamin B12. An organic solar cell is made up of acceptor and donor materials. The donor absorbs light from solar radiation and the harvested energy is passed to ..

The multi-nation tsunami mock exercise (drill) “IOWave18” started in Indian Ocean

The major Indian ocean-wide tsunami mock exercise (drill) “IOWave18” has started from September 4, which is being organized by the Intergovernmental Oceanographic Commission (IOC) of UNESCO. The purpose of the 2-day exercise is to increase tsunami preparedness, evaluate response capabilities in each state and improve coordination throughout the region. It will also enhance tsunami preparedness ..

IIT Kharagpur to set up a Re-Water Research Center to replenish and rejuvenate water resources

The IIT Kharagpur has decided to set up a Re-Water Research Center to replenish and rejuvenate water resources. It will be seed-funded by two alumni members – Aneesh Reddy & Aditya Choubey. The purpose of the ‘Aditya Choubey Center for Re-Water Research’ is to tackle the challenge of resolving two burning issues faced by urban ..

Environment: Definition and Four Components

In simple words, environment is defined as the natural world in which people, animals and plants live. The term Environment is derived from French terms ‘virer (to turn) or ‘in/viron’ meaning to encircle; and denotes the interaction between natural surroundings and organisms including human beings. Thus, environment is the surroundings in which living and non-living ..

Marie Curie voted as most influential woman in history as per recent Readers of BBC History magazine poll

Nobel prize winning scientist Marie Curie was the most influential woman in this poll. The magazine ranked Polish born Curie at the top of a list of 100 women who changed the world, for her role in treating cancer.

Goa hosts 2nd India-US colloquium on Earth Observations and Sciences for Society and Economy

The 2nd edition of India-US colloquium on Earth Observations and Sciences for Society and Economy was inaugurated at the CSIR-National Institute of Oceanography (CSIR-NIO), Dona Paula, Goa on June 11, 2018. The 3-day colloquium is being organised by the Ministry of Earth Sciences, CSIR-NIO and the US National Oceanic and Atmospheric Administration (NOAA). This multi-disciplinary ..

Applications of Neutrinos

The neutrino is a tiny elementary particle, but it is not part of the atom. They exist in nature. Neutrino has a very tiny mass, no charge and spins half. It interacts very weakly with other matter particles so weakly that every second trillions of neutrinos fall on us and pass through our bodies unnoticed. ..

Dredging Issue in River Kosi

Kosi is referred as sorrow of Bihar. In 2008 it breached the embankment in Kushaha (Nepal) and shifted 108 km eastwards. The recurrent calamities along the banks of Kosi could be due to 1,082 million tonnes of silt that has been deposited in it in the last 54 years. This has come out in a ..