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A group of researchers undertaking a survey in Antarctica have suddenly discovered some interesting organisms living under a huge ice shelf on the south-eastern Weddell Sea at temperatures of -2 °C. Famous Bio-geographer Huw Griffiths of the British Antarctic Survey team made this discovery while taking photographs at the 'Filchner-Ronne' Ice Shelf with his team. Recently, a short video on Twitter was posted by the British Antarctic Survey team, where Griffiths discussed in detail his remarkable findings. Animals like fish, worms, and jellyfish (Cnidarian) were previously found under the ice shelf in the region. But what Griffiths and his team discovered was a 'filter feeder' animals which are considered hemichordates. Griffiths stated that what they found was quite surprising because they have never expected such kind of animals that filter feed their food from the water column making mucus cords! Even they were found far from a source of food at the freezing temperature. The research team used some special cameras to take photographs of the specimens by placing the camera under the ice shelves. The research revealed that humans do not know how much area is currently under the ice shelves of the Antarctic continent and what kind of new animals are there. They identified stalked sponges, 22 unidentified stalked organisms that may be sponges or other animals, such as barnacles, cnidarian, or polychaetes along with filter feeders. The prestigious research journal "Frontiers in Marine Science" has now published the report. Detailed details of the animals and how they were discovered under 890 meters of ice were revealed.

 

The Story of a literally Super-cool journey!



4th June 1924 can be surely marked as a historical day in the field of quantum physics. Renowned theoretical physicist Satyendra Nath Bose, a then young Reader in Dhaka University was trying to teach Planck’s radiation law to his students but found the existing derivations unsatisfactory to explain it fully. With his immense enthusiasm, he started to work out on better explanations and found a new approach of deriving the equation that didn’t entail assumptions from classical physics that were used in the previous derivations by Planck and Einstein. Bose made a short manuscript over it and communicated to a journal in London. Alas, they promptly rejected his idea! But Bose was someone of strong determination who didn’t give up easily so he wrote another manuscript defining his new concept and sent it off to Albert Einstein. The date was none other than 4th June 1924.

Rest was history! Einstein not only carefully read the manuscript but realized its novelty and translated it into German himself. The paper was communicated to Zeitschrift für Physik along with his short follow-up letter and got published soon enough. This Bose-Einstein concept became one of the crucial break-through in quantum physics.

From Bose’s point of view, the undistinguished nature of particle was the prime point to reach the radiation law and he first took the proposition that the Maxwell-Boltzmann distribution would not be true for the “microscopic particles” where their fluctuations (Due to Heisenberg’s uncertainty principle) is significant. After a while, Einstein generalized Bose’s method for ideal gases and he presented the mathematical derivations showing that the quantum gas would undergo a phase conversion at a sufficiently low temperature or “super cool temperature” when a big fraction of the atoms would condense into their lowest energy state. This condensation state is known as “Bose-Einstein Condensation” or BEC. Can you imagine that the temperature is near absolute zero (0 K, − 273.15 °C, or − 459.67 °F) where sub-atomic particle (named “Boson”) coalesce into a single quantum mechanical entity!

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