Tejasri Gururaj

India

Science Writer and Communicator at Interesting Engineering

Science Writer at The Hindu

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Articles

Origami structures unfold into seamless surfaces for deployable applications

1 week ago | phys.org | Tejasri Gururaj |Gaby Clark |Robert Egan

A study published in Nature Communications presents a way to create deployable structures that transform from compact folded states into expansive configurations with perfectly smooth surfaces.
China allegedly making supercomputer chips to cut US tech dependence

1 week ago | interestingengineering.com | Tejasri Gururaj

Conceptual visualization of an advanced processor chip. gorodenkoff/iStockSupercomputers have been a powerful tool ever since their birth in the 1960s. Today, almost every nation has advanced supercomputing facilities and systems capable of solving the most complex of tasks. Chinese semiconductor manufacturer Hygon and supercomputer builder Sugon have announced the creation of a vertically integrated computing giant capable of building high-performance systems entirely with domestic technology.
US scientists turn atomic motion into a powerful quantum resource

2 weeks ago | interestingengineering.com | Tejasri Gururaj

Quantum technology often requires the precise control of individual particles, atoms, or ions. Optical tweezers are one such device that can be used to control these particles. Optical tweezers use focused lasers to trap and control single atoms or ions with extremely high precision. They are used in quantum computing systems, atomic clocks, and studying quantum physics. However, trapped ions or atoms have a natural motion or jiggle due to thermal energy.
The Muslim Times

2 weeks ago | themuslimtimes.info | Zia Shah |Tejasri Gururaj

Source: MSN Story by Tejasri GururajA unified theory of everything has long eluded scientists due to gravity being irreconcilable with the three other fundamental forces (electromagnetic, weak, and strong) described using quantum field theory (QFT). The fundamental discrepancy between the unification lies in how the two theories are described. The gravitational field—described by Einstein’s theory of general relativity—is a manifestation of the very fabric of reality, spacetime.
New US tech creates high-speed highway for nuclear physics analysis

2 weeks ago | interestingengineering.com | Tejasri Gururaj

New high-speed data pipeline enables real-time analysis for nuclear physics experiments. nadla/iStockScientific experiments generate a lot of data that needs to be analyzed. This process includes transferring data to a computer or supercomputer miles away, which can take days. Addressing this problem, researchers from Lawrence Berkeley and Oak Ridge National Laboratories (ORNL) have come up with a solution.
Researchers establish fundamental limit on how light bosonic dark matter can be

3 weeks ago | phys.org | Tejasri Gururaj

In a new study published in Physical Review Letters, scientists have estimated a new lower bound on the mass of ultra-lightweight bosonic dark matter particles. Purported to make up about 85% of the matter content in the universe, dark matter has eluded direct observation.
New Korean supercapacitor could power phones in seconds, not hours

4 weeks ago | interestingengineering.com | Tejasri Gururaj

Consumer technology today relies primarily on batteries to fulfill energy needs. Conventional batteries use chemical reactions to store energy, offering high energy density, which is to say that they provide long run times for our devices. However, they struggle with slow charging and degradation after just a few thousand use cycles. By contrast, supercapacitors use electrical charge separation to store energy. They can charge almost instantly and withstand more cycles without degradation.
New quantum framework sees gravity emerge from spacetime symmetries

1 month ago | interestingengineering.com | Tejasri Gururaj

A new theory proposes "unified theory of everything."vchal/iStockA unified theory of everything has long eluded scientists due to gravity being irreconcilable with the three other fundamental forces (electromagnetic, weak, and strong) described using quantum field theory (QFT). The fundamental discrepancy between the unification lies in how the two theories are described.
Japanese team achieves highest-ever efficiency organic solar cells

1 month ago | interestingengineering.com | Tejasri Gururaj

An enormous amount of solar energy hits the Earth every day. This amount is than the world’s total energy requirements!Solar cell technology has evolved significantly over the last six decades since they were first manufactured. However, several challenges have stood in the way of their widespread adoption, including cost, efficiency, and environmental impact. Today, the most widely used solar cell is silicon.
Electric aircraft battery hits 450 Wh/kg energy density

1 month ago | interestingengineering.com | Tejasri Gururaj

Modern electronic devices heavily rely on lithium-ion batteries, including smartphones, electric vehicles, and even aircraft. Even though these batteries are omnipresent in technology, traditional battery designs are reaching their limits in terms of how much energy they can store per unit of battery weight, known as energy density. Despite efforts to maximize the energy density, we are getting closer to the physical limits of what can be achieved with these traditional lithium-ion batteries.