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Carbon Nanotubes: Properties and Applications


Sponsored by MerckJan 21 2021
Fortuitously discovered by Japanese physicist Sumio Iijima while he was studying the surface of graphite electrodes in an electric arc discharge, Carbon nanotubes (CNTs), simply known as nanotubes,  are cylindrical carbon allotrope nanostructures.
1 Since Iijima’s revelation, CNTs have retained a key role in the field of nanotechnology due to their particular electronic, mechanical, and structural properties.
CNTs possess great conductivity and high aspect ratio which enables the formation of a network of conductive tubes. Their exceptional mechanical properties derive from an amalgamation of strength, stiffness and tenacity.
4 Integrated into a polymer, CNTs shift their mechanical load to the polymer matrix at a weight percentage significantly lower than those of carbon black or carbon fibers, promoting applications with greater efficiency. ....

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Curtin find could slash energy use and cost in making silicon


Date Time
Curtin find could slash energy use and cost in making silicon
Curtin University researchers have uncovered a method of making silicon, found commonly in electronics such as phones, cameras and computers, at room temperature.
The new technique works by replacing extreme heat with electrical currents to produce the same chemical reaction that turns silica into silicon at a reduced economic and environmental cost.
Lead researcher, PhD candidate Song Zhang from Curtin’s School of Molecular and Life Sciences said that while the team’s discovery was made at the nanoscale, it defines a way of replacing thermochemical processes with electrochemical processes, which can efficiently convert into clean electricity. ....

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Open-Access Science Journals May Be Banned in India. This is Bad News for Everyone


Open-Access Science Journals May Be Banned in India. This is Bad News for Everyone
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A global pandemic may be the worst time to cut off access to science research, but India may be on its way to it.
A copyright infringement suit filed by three publishing giants against Sci-Hub and Libgen, both open-source access publications, before the Delhi High Court on December 21, 2020 may be the end of free academic material in India.
The three giants are Elsevier, Wiley and American Chemical Society, and the first date of hearing is on 24th.
In the suit, the companies allege that the defendant (Alexandra Elbakyan, founder of SciHub) is well aware of the infringing nature of content available on the Sci-Hub website, and completely disregards intellectual properly claims. ....

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Sci-Hub Case: The Court Should Protect Science From Greedy Academic Publishers


Sci-Hub Case: The Court Should Protect Science From Greedy Academic Publishers
A court of law in India shouldn t allow itself to become a tool for perpetuating inequalities in access to scientific literature in the developing world.
The logos of the three plaintiffs. Image: The Wire
Not many litigations have evoked strong, even panicky, reactions from researchers in natural sciences in India – but a copyright infringement suit filed by three publishing giants against Sci-Hub and Libgen before the Delhi High Court on December 21, 2020, has managed to do just that. The three are Elsevier, Wiley and American Chemical Society. Reactions to the ‘development’ ranged from wondering whether Sci-Hub will be banned in India to whether it is advisable for researchers to intervene in this litigation, to share their perspectives. ....

United States , George Scaria , Alexandra Elbakyan , Ministry Of Electronics , Bay Inc , Software Communication Ltd , Department Of Telecom Do , American Chemical Society , Information Technology Meit , Us Supreme Court , Journal Of American Chemical Society , Delhi High Court On , Delhi University , Delhi High Court , American Chemical , Wiley India , Wiley Periodicals , Information Technology , Arul George , Global South , Rogue Website , ஒன்றுபட்டது மாநிலங்களில் , ஜார்ஜ் ஸ்கேரியா , அமைச்சகம் ஆஃப் மின்னணுவியல் , வளைகுடா இன்க் , மென்பொருள் தொடர்பு லிமிடெட் ,