ELECTROMAGNETIC SPECTRUM
700 million Suns¡¯ worth of power fired at Earth and it could destroy us? Here's what we know
Astronomers have uncovered the most distant blazar ever discovered, a supermassive black hole with a mass of 700 million suns, located 12.9 billion light-years away. This blazar, named J0410?0139, offers a rare glimpse into the early universe, emitting a powerful jet of energy aimed directly at Earth. The discovery provides vital information on the rapid growth of supermassive black holes and opens the door to future cosmic revelations.
India's defence exports crossed record Rs 21,000 crore over decade: Rajnath Singh
Defence Minister Rajnath Singh announced that India's defence exports have risen from Rs 2,000 crore to Rs 21,000 crore in a decade. The country aims for Rs 50,000 crore by 2029. He emphasized the importance of mastering new warfare technologies and strengthening the training of military personnel. Singh also highlighted the government's dedication to economic and military power.
Joint operations, integration in areas like electronic warfare discussed in key defence meeting
India's top defence officials recently met to discuss electronic warfare and emerging technologies. The annual Joint Electromagnetic Board meeting saw participation from the armed forces, DRDO, and the industry. The meeting focused on enhancing joint operations and integration in areas like electronic warfare and spectrum management. A new AI-enabled system for managing defence spectrum was also launched.
Australia, Britain to strike treaty for joint production of submarines
Australia and Britain will sign a bilateral treaty to produce a new class of nuclear-powered submarines under the AUKUS partnership, which includes the United States. Australia will purchase U.S. Virginia class submarines, and later, Britain and Australia will build new AUKUS submarines in both countries.
Future warfare course to delve into impact of AI, disruptive technologies
The first of its kind, tri-Services 'Future Warfare' course is scheduled to be conducted in New Delhi from September 23-27 under the aegis of Headquarters Integrated Defence Staff, the ministry said in a statement.
Future warfare course to delve into impact of AI, disruptive technologies
A pioneering Future Warfare course will be held in New Delhi from September 23-27, focusing on the impact of emerging technologies like AI and hypersonics on modern warfare. Initiated by Chief of Defence Staff General Anil Chauhan, the course aims to prepare officers from various ranks for future conflicts in diverse domains such as cyber, space, and the electromagnetic spectrum.
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India's Rudram-1 Missile: How does it stack up against global competitors?
Rudram 1 Missile: India has successfully tested its first indigenous anti-radiation missile, the Rudram-1, developed by DRDO for the Indian Air Force. Integrated with Sukhoi-30MKI jets, it targets radiation sources with INS-GPS navigation and a Passive Homing Head, crucial for Suppression of Enemy Air Defence (SEAD). Compared globally, Rudram-1 enhances India's SEAD capabilities against adversaries like the US (AGM-88 HARM), Russia (Kh-58), UK (ALARM), China (FT-2000), Iran (Hormoz-2), and Brazil (MAR-1). This milestone strengthens India's defense against regional threats, showcasing its technological prowess and commitment to indigenous defense innovation.
Form of war rapidly transforming, will have to be ready to accept change: CDS Chauhan
Chief of Defence Staff Gen Anil Chauhan addressed a gathering of Army personnel from 18 Grenadiers on the 25th anniversary of the battles of Tololing and Tiger Hill, highlighting the evolving nature of warfare due to technological advancements. Commemorating India's victory in the 1999 Kargil war, he emphasized the need for readiness to adapt to these changes. Gen Chauhan stressed on the importance of trust and professionalism, stating that future conflicts will require flexibility, innovation, and integration across military domains including cyber and space. He underscored the role of the armed forces in upholding national trust and security.
Self-reliance key to deal with future security challenges: Army chief
Army Chief Gen Manoj Pande emphasized the need for India to develop indigenous capabilities to address future security challenges, as warfare has evolved into new domains like space, cyber, and information systems. He highlighted the importance of technology infusion and self-reliance, noting that no country will share advanced technology. Gen Pande also mentioned the impact of the Russia-Ukraine conflict and the Covid-19 pandemic on supply chains, stressing the need for self-sufficiency in critical technologies.
Be prepared for 'black swan' events, expect the unexpected: Army Chief to force
In an address at the Defence Services Staff College in Wellington, Gen Pande highlighted the weaponisation of technology, especially its extension across various domains - from information to supply chains.
Nations resorting to hard power to achieve political, military objectives: General Manoj Pande
Indian Army Chief General Manoj Pande highlighted the shifting geopolitical landscape, with nations increasingly resorting to hard power for their interests. He emphasized the need for modernization and self-reliance in the Indian Army, citing rapid changes in warfare to include cyber, electromagnetic spectrum, and space domains. General Pande discussed challenges like proxy wars and the complexity of the battle space, noting India's commitment to rise to these challenges. He emphasized the importance of indigenous R&D and outlined India's initiatives to boost self-reliance in defence manufacturing.
China's electromagnetic warfare game-changer: 'Nowhere to hide' for enemy forces
Chinese researchers unveil groundbreaking technology in electronic warfare, enabling real-time monitoring of the electromagnetic spectrum to expose enemy forces. Developed by a Beijing-based team, this innovation allows swift detection and neutralization of adversary signals while ensuring uninterrupted communication for Chinese military. The technology's significance is emphasized in a peer-reviewed article by project leader Yang Kai. With applications in both military and civilian realms, China's advancement challenges US dominance in the electromagnetic spectrum, showcasing its rapid progress fueled by leading telecommunications industries.
Scientists create camera setup that shows us how animals may perceive colours!
With this innovative camera system, we can capture video footage in "animal-view" colours. This means we can visualise how the world might appear to different species, taking into account their unique range of light sensitivity and colour perception.
EMF norms: Telcos seek global standards
"While prevailing stringent EMF norms might have been implementable for 2G and 3G, it will not be feasible with 5G and beyond, as these technologies will be primarily deployed in higher spectrum frequencies of C-Band and mmWave band," the Cellular Operators Association of India said in a letter to telecom secretary K Rajaraman.
Telcos seek clarification on captive non-public networks ahead of 5G spectrum auction
Their main concerns centred around the methodology of allotting spectrum to non-telcos, the price at which this spectrum will be made available and the bands of spectrum which will be given out, people in the know told ET.
5G deployment to begin in August-September; rollout to commence in 20-25 cities, towns by year-end: Ashwini Vaishnaw
The minister said India is developing 4G and 5G stacks, and is set to bolster its position as a trusted source for the world, in digital networks. Speaking at 'TV9 What India Thinks Today Global Summit', Vaishnaw said that nations are keen to give preference to 4G and 5G products and technologies being developed by India.
Pvt sector space players are liable for damages to space objects in space: Draft Spacecom Policy
Indian private sector players wanting to provide communication service within and outside India using a space-based asset are liable for damages caused to other space objects in outer space and its environment, states the Draft Space Based Communication Policy of India-2020 (Spacecom Policy-2020) and draft Norms, Guidelines and Procedures for implementation of Spacecom Policy-2020 (Spacecom NGP-2020).
Beyond ASAT test: India needs a comprehensive space security policy
Outer space is also emerging as the fourth arena of warfare. Hostile state and non-state actors can damage Indian space assets.
Kumbh: UP cops to use RF tags for children under 14 years
With a view to tracing the children lost during the massive Kumbh congregation here, the Uttar Pradesh police will be using RFID (radio-frequency identification) tags for kids under 14 years.
To innovate, we need people who think differently: Dr Frederick J Raab, LIGO Laboratory
We expect to complete construction of the observatory infrastructure in the early part of the next decade and to be observing by the middle of the next decade, he said.
New material may lead to internet data speed of 2GB/s
Researchers from KAUST in Saudi Arabia developed the new nanocrystalline material that rapidly makes white light out of blue light.
Government should vacate unused spectrum for commercial use, says COAI
The association was pushing the ministry and the DoT to allow use of unused spectrum for commercial use and sought a road map on it.
Assisted suicide for 2G
The poor need more data than the rich to climb out of poverty, and to realise that, policy and commercial practice must keep pace with technology evolution.
Mobile tower radiation clips sparrows' wings
Radiation from mobile towers is not only taking a toll on human health but is also blamed for sparrows vanishing into thin air.
World's most powerful MRI scanner developed
The MRI scanner equipped with a superconducting magnet will offer unprecedented images of the human brain when it is fully developed next year.
Govt to auction 700Mhz spectrum for 4G services next year
Govt to auction spectrum in 700 Mhz band, used for offering high-speed Internet services through fourth generation technologies, in 2014.
Refarmed spectrum worth several lakh crore, finds Trai
This bounty, arising from its recommendations, could become single largest source of new revenue for finance ministry over next few years.
Overhaul policy
Allocating telecom companies dedicated spectrum is the root problem
As the world shifts to open spectrum
The management of spectrum needs to move away from the 'command and control' to a more 'spectrums commons' approach by opening up more unlicensed bands.
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