From cosmic rays to CT scans, radiation surrounds us but not all exposure is dangerous. Here’s how to separate fact from fear ...

Efficiency of solar panels has risen in recent years. In fact, those currently being produced by SolarCity, a company co-founded by Elon Musk, are at 22%.

This letter derives efficiency formulas and establishes fundamental limitations for longitudinally symmetric periodic leaky-wave antennas (LWAs). The proposed approach is based on an equivalent ...

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They’re an enduring symbol of the Cold War, said Bill Geerhart, a historian who has written about the duck-and-cover period ...

Radiation units Radiation quantities are generally expressed in terms of either irradiance or radiant exposure. Irradiance is a measure of the rate of energy received per unit area, and has units of ...

With Israel intensifying its attacks on Iran’s nuclear program, and President Donald Trump hinting the U.S. might join the effort, here is what we know about the radiation threat, and other h… ...

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The radiation efficiency of a dielectric resonator antenna (DRA) and a microstrip antenna (MSA) at Ka band is investigated numerically and experimentally. For direct comparison, one cylindrical DRA ...

Senate Republicans on Thursday included in their version of President Trump’s domestic policy bill a provision that would revive and significantly expand a law for compensating victims of ...

Strikes on any nuclear facilities could, in theory, release clouds of deadly radiation that endanger human lives and health. But in the case of Israel’s attacks on Iran overnight on Friday, that ...

TL;DR Key Takeaways : Excel formula symbols are essential tools for enhancing productivity, accuracy, and efficiency in data management and analysis. Key symbols include = (equals) to start ...