Science, technology and innovations in India

[Jambudweepa]

Weighs 250kg, 0-100kmph in 4sec, top speed of 150kmph, max range 30kms(for 22kms races) ‘RFR 23’,a carbon composite build, li-ion powered #electric #racecar built by
@iitmadras
Raftaar student Formula Racing team Indigenous ‘Shakti’ microprocessor is the brain of this EV

 

[Jambudweepa]

Researchers at Indian Institute of Technology (IIT), Jodhpur have developed nanocomposite catalytic materials for artificial photosynthesis to produce high purity hydrogen .

IIT Jodhpur researchers develop catalytic materials to produce high purity hydrogen - ET EnergyWorld

According to officials, the team has now developed a series of catalysts which can efficiently produce hydrogen under ambient conditions. The end application of this research lies in the industries, automobile and energy sectors.

www.google.com

 

[Jambudweepa]

Indian telescope observes cosmic violence as dying star comes close to a black hole

Indian telescope observes cosmic violence as dying star comes close to a black hole

Located at an elevation of 4,500 meters above sea level on Mount Saraswati, the GROWTH-India telescope has looked into deep space to understand what happens when a dying star encounters a supermassive black hole.

www.google.com

 

[Photon]

Remembering Rajeswari Chatterjee, IISc’s First Woman Engineer – Connect with IISc

connect.iisc.ac.in

 

[Varoon2]

Optical Communication Technology By IIT Guwahati Researchers Transferred For Commercial Rollout; It Has Critical Military Applications

IIT Guwahati has transferred Free Space Optical Communication technology to Ahmedabad-based specialists, Nav Wireless Technologies. Six-year work of Physics professor and his PhD student has garnered US, Korean and Japanese patents for its novel solution to overcome atmospheric challenges.Secure...

swarajyamag.com

Snapshot

• IIT Guwahati has transferred Free Space Optical Communication technology to Ahmedabad-based specialists, Nav Wireless Technologies.
  Six-year work of Physics professor and his PhD student has garnered US, Korean and Japanese patents for its novel solution to overcome atmospheric challenges.
  Secure encryption features in Indian solution may interest defence forces.

Just over two years after their pathbreaking innovations in the technology of transmitting digital data wirelessly in the form of light pulses was sealed with three global patents, IIT Guwahati Physics Professor Bosanta Ranjan Boruah and his PhD student Santanu Kanwar, now an Assistant Professor, teaching Physics in Abhayapuri College in Assam, have achieved an important landmark.

Unlike so much of academic work that remains within the covers of doctoral theses, the novel “Free Space Optical Communication System” (FSO) developed by the duo has been technology-transferred to a private sector Indian company who is arguably the leading provider of optical wireless solutions.

 

[Varoon2]

Very good efforts to convert plastic into fuel. Any news on current status of these units? Naive question I know, would there be any significant impact for India's balance of payments, in the petroleum sector( I'm guessing not major, but the environmental value is good)


From technocrats in Guntur: https://timesofindia.indiatimes.com...trol-plant-in-guntur/articleshow/78461260.cms

IIP, Dehra Dun technology: https://www.hindustantimes.com/indi...ical-threat/story-6i4XHAiTaM9Yfew9hxqT4J.html

plastic to diesel conversion plant: https://timesofindia.indiatimes.com...rational-from-oct-11/articleshow/71494428.cms

A Chennai couple converts plastic to fuel: https://www.thebetterindia.com/2007...y-plastic-to-fuel-alternative-low-cost-green/

From Pune based environmentalists: https://thelogicalindian.com/environment/pune-enviourmentalists-plastic-poly-fuel-34902

 

[Crazywithmath]

 

[Coalmine]

3d printed house are better than wood house.


3d printed

 

[Photon]

Heart felt condolences!!
A very shocking news; Dr. Krishnan, National Centre for Polar and Ocean Research (NCPOR), Goa, is no more!!
A very dedicated scientist; very energetic personality; Dr. Krishnan was the main coordinator of Arctic operations of India. He was our main collaborator for Arctic Research and helped a large number of students and researchers from our Institution. for their expeditions. An untimely departure!!

 

[AnantS]

Aum Shanti!

 

[Blademaster]

Om Shanti.

 

[Vamsi]

Finally Desi LIGO
@Swesh @Indx TechStyle

 

[Vamsi]

LIGO India & Daksha Satellite Team

 

[WarmongerLSK]

 

[karn]

IIT Mandi researchers develop affordable way to produce metal oxide layers for solar cells - Times of India

Researchers at the Indian Institute of Technology Mandi have developed a low-cost process to produce nanometre-range, ultrathin metal oxide films used

timesofindia.indiatimes.com

 

[Photon]

Homi Bhabha, Jawaharlal Nehru and the Bomb

In the book Homi J. Bhabha: A Life , Bakhtiar K. Dadabhoy says despite Nehru s rhetoric about disarmament, Bhabha knew that a time would come when a bomb would have to be made and continued to quietly prepare for it.

www.google.com

 

[Cheran]

Indian Scientists Develop New Method Of Harvesting Artificial Light Using Organic Nanotubes For Solar Cells, Optical Sensors

Indian researchers have developed a new method of harvesting artificial light using organic nanotubes, inspired by natural photosynthetic systems

swarajyamag.com

Indian Scientists Develop New Method Of Harvesting Artificial Light Using Organic Nanotubes For Solar Cells, Optical Sensors

 

[Indx TechStyle]

IIT-K conducts artificial rain test through cloud seeding
The state government had turned to the premier institute for this technology to helpUttar Pradesh’s parched Bundelkhand region with artificial rains

KANPUR The Indian Institute of Technology-Kanpur (IIT-K) successfully conducted a test for artificial rain via cloud-seeding over a limited area on the sprawling campus. On Wednesday, a plane flew to a height of 5,000ft from the institute’s airstrip, firing powder spray amid thick clouds, which resulted in heavy rain.

A plane flew to a height of 5,000ft from the institute’s airstrip, firing powder spray amid thick clouds, which resulted in heavy rain. (Sourced)

The UP government had turned to the premier institute for this technology to help UP’s parched Bundelkhand region with artificial rains. Cloud seeding is the process of combining different kinds of chemical agents, including silver iodide, dry ice and even table salt, in clouds to thicken them and increase the chances of rainfall.

The experiment was conducted after a nod from the civil aviation regulator DGCA.

Manindra Agrawal, professor, department of Computer Science and Engineering, IIT Kanpur, spearheaded this artificial rain project. He said: “Our capabilities in this direction have been successfully tested.”

It took IIT-Kanpur six years to make this happen, after the Uttar Pradesh government reached out to help Bundelkhand with artificial rains in 2017. At that time, China had agreed to do cloud-seeding in Mahoba for ₹10.30 lakh per kilometre. But it refused to share the know-how and the plan was shelved.

Why IIT-Kanpur took six years to produce artificial rain when the technology was available? Because it could not get a plane needed to fly the equipment with, said experts at the institute.

As the institute began preparations to produce artificial rain on UP government’s request, the stumbling block IIT-K faced was the plane, they said. The first choice was an airplane of the Indian Space Research Organisation (ISRO), which was old and not much in use. But the space agency did not agree to part with it, they added.

Subsequently, the search narrowed down to a plane of Hindustan Aeronautics Limited (HAL). “HAL asked for ₹50 lakh. The funds available at the time were meant for equipment, the condition killed the negotiations.”

Then it was decided to use IIT’s own Cessna aircraft for this purpose. The institute got in touch with US-based Cessna as the company’s assistance was required for instrumentation and fitting of the equipment on board.

“When all seemed going on the right track, Covid-19 pandemic happened. The world stopped and so did this project for more than two and a half years,” they said, adding the last six months went into getting validation from the directorate general of civil aviation (DGCA).

“We are now independent and have all the resources to make this project happen. Our Cessna plane and equipment will be used for cloud-seeding,” said prof Manindra Agrawal.

Chief minister Yogi Adityanath had envisaged the plan for artificial rain in Bundelkhand as the technology was not only low on cost but also effective. Bundelkhand region has a vast cultivation area, but the agriculture production is determined by the availability of water.

Bundelkhand has four rivers including Dhasan, Tons, Betwa and Ken but they are of little use for irrigation purpose. The region gets scanty rainfall due to which most of the water bodies such as ponds dry up, and remain so most of the year.

After China’s refusal for the project, IIT-Kanpur scientists had given a detailed presentation to the government on June 26, 2017 to help with pollution and drought-like conditions.

COST OF CLOUD SEEDING

Member of national advisory council on environment and senior IIT Kanpur faculty Sachidanand Tripathi explained that the use of aircraft and essential tools for the cloud seeding process raise the cost of the project. The rent of the plane fitted with equipment is high and implanting instruments in the aircraft is also an expensive affair. Roughly ₹2 to ₹5 lakh is spent for an hour of the exercise, he added.

Artificial rain was created in Maharashtra, Karnataka and Andhra Pradesh, but the success rate of the project isn’t yet known, said Tripathi. Israel, South Africa and United States have successfully implemented the project.

CAN CLOUD SEEDING DAMAGE ENVIRONMENT?

No. The rains created artificially do not have any adverse impact on the environment. The solutions used for cloud seeding are not harmful, said experts.

 

[Apollyon]

Relevant Paper: https://arxiv.org/abs/2306.16214

Relevant Video:

 

[Apollyon]

This is my all time favorite scientific paper (not related to my field of study)

https://blackholes.tecnico.ulisboa.pt/gritting/pdf/astrophysics/Chandrasekhar_Dynamical_Friction.pdf