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Rajesh Uppal

Propelling the Future: A Look at CubeSat Propulsion Technologies

Introduction CubeSats have revolutionized space exploration by offering a cost-effective and modular platform for scientific research, Earth observation, and technology demonstrations. However, as mission requirements grow more complex—ranging from orbital maneuvering to deep-space exploration—the need for efficient propulsion systems has become critical. As CubeSats revolutionize access to space with their …

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Worldwide Race for Graphene: The Battle for Supremacy in Commercial, Energy, Aerospace, and Defense Sectors

Introduction: The Global Graphene Gold Rush Nearly two decades since its isolation, graphene has evolved from a laboratory marvel into a strategic industrial asset. Countries and corporations are now engaged in an intense global race to unlock its commercial potential. With the global graphene market projected to reach $5.5 billion …

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Rocket Eco-Friendly Fuel: Paving the Way for Sustainable Space Transportation

In the face of accelerating climate change and a growing interest in space exploration, the aerospace industry finds itself at a critical juncture. Traditional rocket propulsion systems, while powerful, are notoriously polluting—emitting tons of greenhouse gases, black carbon, and other harmful particulates into the atmosphere. As humanity sets its sights …

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Space Planes: The Next Frontier in Ultrafast Space Transportation, Satellite Launches, Prompt Global Strike, and Space Security

Introduction: The Dual-Nature Revolution Space planes—hybrid vehicles capable of soaring through Earth’s atmosphere and maneuvering in space—are revolutionizing our approach to travel, defense, and exploration. Blending the reusability of aircraft with the performance of rockets, they are emerging as critical platforms for ultrafast transport, satellite deployment, and space-based operations. Powered …

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The Future of Computing: Why Space May Be the Next Frontier for Data Centers

The AI Boom’s Hidden Energy Crisis The explosive growth of generative artificial intelligence has created an invisible infrastructure crisis that threatens to constrain technological progress. As AI systems become more sophisticated and ubiquitous, their computational demands have sent data center requirements skyrocketing. AI models rely heavily on high-performance computing (HPC) and …

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India’s Defence Exports Soar: A Strategic Leap Toward Global Leadership

Introduction: From Importer to Exporter—A Paradigm Shift India, the world’s fastest-growing major economy, is on track to become the third-largest economy within the next five years, a testament to its expanding global stature. However, economic growth alone is insufficient for a nation with soaring ambitions; it must also develop a …

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Dark Matter Detectors: The Frontier in the Hunt for the Universe’s Missing Mass

Our universe contains a profound mystery that has puzzled scientists for decades – the existence of dark matter. Astronomical observations consistently show that about 85% of all matter in the cosmos exists in this invisible form, outweighing the ordinary matter that makes up stars, planets, and everything we can see …

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Materials for Nonlinear Integrated Photonics: Building the Future of Optical Computing and Communications

The rapid advancement of photonic technologies is reshaping how we manipulate light on a chip, and nonlinear integrated photonics is at the heart of this transformation. By leveraging nonlinear optical effects, engineers can build ultrafast switches, frequency combs, all-optical signal processors, and quantum light sources. However, the real magic lies …

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DARPA’s Decay on Demand: Bold Plan to Unlock Rare Radioisotopes with Laser Precision

The Defense Advanced Research Projects Agency (DARPA) has always stood at the frontier of scientific disruption, and its latest endeavor under the Defense Sciences Office (DSO) continues that legacy. This ambitious program, announced in draft form in June 2024, seeks to fundamentally transform our ability to access valuable radioactive isotopes …

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The Evolution and Future of Data Centers: Powering the Digital Age

Introduction: The Backbone of Digital Infrastructure A data center is a centralized facility designed to house computing infrastructure—servers, storage systems, networking equipment, and cooling mechanisms—that collectively enable the storage, processing, and distribution of vast amounts of data. Once dominated by bulky mainframes, modern data centers have evolved into agile, cloud-integrated …

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