New material for gravitational wave detection.
Image: MIT
Engineering / Physics / Science / Space / Technology

New material for gravitational wave detection.

The world is standing at a juncture, when today, we can detect and read gravitational waves. Thus Nicholas Demos a student from the MIT’s Kavli Institute, is inclined towards producing new type of mirrors that would produce the least thermal noise and help in deducing gravitational waves. And also engineer a device that tests mirrors entirely and not just the few upper coated layers. The only such existing apparatus in the world was developed by Matthew Evans, who is the MIT MathWorks professor of Physics and also Demos’ advisor, along with the Research Scientist Slawomir Gras. The apparatus would help researchers and scientists, measure thermal noise through the entire sample.

Engineering, Physics, Science, Space, Technology
December 23, 2020
Separating primordial gravitational waves-New Technique
Image: MIT
Earth / Earth Energy Environment / Engineering / Physics / Science / Space / Space Planets / Technology

Separating primordial gravitational waves-New Technique

A promising method developed by the students at the MIT, claiming to sift the primeval wavelets has already been published in the Physical Review Letters. In contrast to the existing method that played around the guessing of gravitational waves emanating from various types of cosmic collisions, the new method aims at percolating the constant non-random patterns from the gravitational-wave data and leaving behind the larger chunk of gravitational noise. The newer method uses simulation technique that utilized 400 seconds of gravitational wave sets.

Earth, Earth Energy Environment, Engineering, Physics, Science, Space, Space Planets, Technology
December 22, 2020
Latest airborne technology to see underwater
Image: Stanford News
Engineering / Physics / Science / Technology

Latest airborne technology to see underwater

The PASS is an efficient instrument that takes advantage of its strengths of utilizing the light where it travels the best i.e. the air. And the sound, where the sound travels extremely well, i.e. in the water. The system has a LASER that throws a beam of light, which gets absorbed at the surface of the water and is then converted into sound waves. These sound waves further travel through water and get reflected from the underwater objects and reach the instrument above where they are converted into electrical signals. This reception of the reflected sound waves takes place through extremely sensitive sensors called transducers. Then PASS also has intelligent algorithms that jot down the received sound signals as pieces of a jigsaw puzzle and produce the required 3-D image of the corresponding underwater object.

Engineering, Physics, Science, Technology
December 22, 2020
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