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Rajesh Uppal

Man-in-the-Middle (MitM) Attacks: A Growing Cybersecurity Threat

  Introduction In today’s hyper-connected world, secure communication underpins the functioning of businesses, governments, and individuals alike. Yet Man-in-the-Middle (MitM) attacks remain one of the most persistent cybersecurity challenges. These attacks allow adversaries to intercept, alter, or steal sensitive information while remaining invisible to both communicating parties. As organizations increasingly …

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The Evolving Frontier of Cyber Warfare: Challenges and Strategies

Cyber warfare, the practice of a nation-state or international organization using cyber attacks to damage another nation’s computers or information networks, is increasingly emerging as the next frontier of war. These cyber operations can involve deploying computer viruses, launching denial-of-service attacks, and infiltrating information systems. As geopolitical tensions rise, cyber …

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Unveiling DARPA’s AIQ Program: Quantifying the Capabilities of Artificial Intelligence

Artificial Intelligence (AI) has rapidly evolved into an indispensable tool across industries. However, the complexity and opacity of AI systems have raised concerns about their reliability and trustworthiness. To address this challenge, DARPA has launched the Artificial Intelligence Quantified (AIQ) program. As artificial intelligence (AI) continues to advance, the need …

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DARPA’s Call to Action: Mobilizing Industrial Capacity for Crisis Manufacturing

The Defense Advanced Research Projects Agency (DARPA) has recently issued a Request for Information (RFI) under the title “Industrial Mobilization for Crisis Manufacturing” (DARPA-SN-24-68). This initiative reflects a growing recognition of the critical need for the U.S. industrial base to rapidly scale production capabilities in response to unforeseen crises, such …

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Propulsion Technologies for Molecular Robotics: Powering the Nano World

Molecular robotics, the field dedicated to engineering machines at the molecular scale, holds transformative potential across various domains. However, one of the most significant hurdles in this realm is devising effective propulsion methods for these minuscule machines. Unlike traditional robots that use wheels or propellers, molecular robots require innovative propulsion …

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DARPA Atmospheric Water Extraction (AWE): Revolutionizing Water Supply for the Warfighter

The supply of potable water to warfighters in the field is not just a logistical challenge—it’s a critical factor that impacts mission success, safety, and operational flexibility. Historically, the transport of water has incurred significant economic costs, tactical limitations, and, tragically, avoidable casualties. For instance, during Operations Enduring Freedom (OEF) …

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Oligonucleotide Synthesis: The Backbone of Modern Biotechnology

Oligonucleotides, short chains of nucleic acids, are essential tools in modern molecular biology and biotechnology. From DNA sequencing and PCR to gene therapy and drug discovery, these molecules play a pivotal role.  These short DNA or RNA sequences are pivotal in biotechnology, diagnostics, and pharmaceuticals, forming the backbone of numerous …

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DARPA’s Defense Applications of Innovative Remote Sensing (DAIRS): Innovating Remote Sensing with Surface-Wave Over-the-Horizon Radar (SWOTHR)

The Defense Advanced Research Projects Agency (DARPA) Defense Sciences Office (DSO) has issued a Disruption Opportunity (DO) that invites innovative basic or applied research concepts in the field of remote sensing, with a specific focus on surface-wave over-the-horizon radar (SWOTHR) and environmental characterization. This opportunity is part of DARPA’s broader …

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Optoelectronic Memory Devices: Overcoming Challenges with 2D Van der Waals Heterostructures

Conventional floating-gate nonvolatile memory devices have powered data storage technologies for decades. However, as data-intensive applications demand higher performance and energy efficiency, these devices face critical limitations in terms of scalability, reliability, and endurance. This has spurred interest in optoelectronic memory (OEM) devices, an emerging class of memory technology that …

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Silicon Photonics: Overcoming Manufacturing Challenges to Meet the Demands of 5G, Data Centers, Supercomputers, Biosensing, and Quantum Optics

Silicon photonics is spearheading a technological revolution, driving progress in fields such as 5G wireless communication, data centers, quantum optics, and beyond. This paradigm-shifting technology offers the potential to merge photonics and electronics on a single platform, utilizing light to transmit data with far less latency, heat, and power consumption …

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