Samantha Cristoforetti in Command of the ISS (Astronomy)

Astronaut Esa Samantha Cristoforetti will be commander of the International Space Station for the 68th expedition. This is for her the second space mission. Never before has any other European woman been in command of the ISS. “I will humbly try to draw on the experience I have gained in space and on Earth to lead my crew … Continue reading Samantha Cristoforetti in Command of the ISS (Astronomy)

Discovery of Huge Raman Scattering at Atomic Point Contact (Physics)

Nanofabrication of electronic devices has reached a single nanometer scale (10-9 m). The rapid advancement of nanoscience and nanotechnology now requires atomic-scale optical spectroscopy in order to characterize atomistic structures that will affect the properties and functions of the electronic devices. The international team headed by Takashi Kumagai at Institute for Molecular Science discovered a huge … Continue reading Discovery of Huge Raman Scattering at Atomic Point Contact (Physics)

Is It A Wormhole Which Is Expanding?: PART 2: Blackhole Collapse vs. Inflation (Astronomy)

Previously on “Is it a wormhole which is expanding?: PART 1”, we saw that in 1999, Sean hayward proposed a concept that if wormhole negative energy source fails it may collapse into a black hole. He used 3-step penrose diagrams in order to explain this process. Along with all these concepts, he also proposed that … Continue reading Is It A Wormhole Which Is Expanding?: PART 2: Blackhole Collapse vs. Inflation (Astronomy)

Is It a Wormhole, Which Is Expanding?: PART 1: Blackholes vs. Wormholes (Astronomy)

In 1999, Sean Hayward proposed a framework for general dynamic wormholes, unifying them with black holes. Both are generically defined locally by outer trapping horizons, temporal for wormholes and spatial or null for black and white holes. Thus, wormhole horizons are two-way traversible, while black-hole and white-hole horizons are only one-way traversible. It follows from … Continue reading Is It a Wormhole, Which Is Expanding?: PART 1: Blackholes vs. Wormholes (Astronomy)

Raman Spectroscopy Shows Promise for Diagnosing Oral Cancer (Physics / Medicine)

Technology could enable non-invasive cancer screening in the dentist’s chair. In a new study, researchers show that a light-based analytical technique known as Raman spectroscopy could aid in early detection of oral squamous cell carcinoma (OSCC). OSCC is the most prevalent type of oral cancer and ranks among the most common cancers diagnosed worldwide. Although … Continue reading Raman Spectroscopy Shows Promise for Diagnosing Oral Cancer (Physics / Medicine)

Why Its Hard To Detect Highly Magnetised Super-Chandrashekhar White Dwarfs? (Planetary Science)

Mukul Bhattacharya and colleagues carried out study on the structural properties of strongly magnetized super-Chandrasekhar white dwarfs Chandrasekhar made the startling discovery about nine decades back that the mass of compact object white dwarf has a limiting value, once nuclear fusion reactions stop therein. This is the Chandrasekhar mass-limit, which is ∼1.4M for a non-rotating non-magnetized white … Continue reading Why Its Hard To Detect Highly Magnetised Super-Chandrashekhar White Dwarfs? (Planetary Science)

Are Solar Active Regions Formed By Large Twisted Flux Tubes? (Planetary Science)

By investigating a fundamental topological quantity called “magnetic winding”, MacTaggart and colleagues found first direct evidence that, solar active regions are formed by large twisted flux tubes. Their study recently appeared in Arxiv. Solar active region is an area with an especially strong magnetic field. These regions frequently spawn various types of solar activity, including … Continue reading Are Solar Active Regions Formed By Large Twisted Flux Tubes? (Planetary Science)

Primordial Black Holes Give Rise To Mu-Distortion Which Can Be Detected By Future Observations (Cosmology)

If you are a daily reader, you may have came across several articles on our website based on the formation of primordial black holes (PBHs). But, the most popular and natural scenario is, production of PBHs by the collapse of the clumps. In this scenario, PBHs production takes place by the collapse of large overdense … Continue reading Primordial Black Holes Give Rise To Mu-Distortion Which Can Be Detected By Future Observations (Cosmology)

Astrophysicists Presented A New Tool For Fast and Accurate Modelling Of Eclipsing Binaries (Astronomy)

Michal Cokina and colleagues presented a new, fast, and easy to use tool called ELISa, for modelling light and radial velocity curves of close eclipsing binaries and for complex applications like solving an inverse problem etc. They found that, it not only maintained its accuracy but also reduced computational time significantly compared to others. Their … Continue reading Astrophysicists Presented A New Tool For Fast and Accurate Modelling Of Eclipsing Binaries (Astronomy)