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Introducing the non-radiating antenna

Physics World

An international team of physicists has created what might seem like a contradiction in terms: a non-radiating source of electromagnetism. Maxwell’s equations tell us that accelerating charges radiate energy in the form of electromagnetic waves. Electric moments without any poles.

Radiation 145
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Terahertz radiation is created using semiconductor surface states

Physics World

A highly efficient way to convert optical photons into terahertz radiation has been developed by researchers in the US and Germany. Terahertz radiation falls between infrared light and microwaves in the electromagnetic spectrum and has a range of potential applications including security scanning and medical imaging.

Radiation 125
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Carbon nanotubes help space-bound electronics resist radiation damage

Physics World

As space missions venture ever further afield, spacecraft will inevitably be exposed to greater amounts of cosmic radiation that can damage or even destroy their onboard electronics. Cosmic radiation is ionizing radiation made up of a mixture of heavy ions and cosmic rays (high-energy protons, electron and atomic nuclei).

Radiation 119
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Electric Vehicles Combat Climate Change

Global Green

Chris Johnston is co-author of The Arrival of the Electric Car – An Overview of the EV Revolution Happening Now. The fastest way to shift the transportation sector to environmental sustainability is to accelerate the transition to electric vehicles (EVs). Electric energy generation by renewable sources has doubled since 2008.

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U.S. Climate Law: A Broad & Rapidly Growing Field

Legal Planet

Investment and incentives for clean technologies under the Inflation Reduction Act. Federal Energy Regulatory Commission rules bearing on electricity transmission E. Electric vehicle and biofuel policies E. SEC rules on disclosure of climate-related risks. Federal energy policy A. Nuclear power regulation D. Takings issues VII.

Law 218
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Black-hole laser could have quantum computing applications

Physics World

An electromagnetic analogue for a black hole laser – a system that could theoretically amplify Hawking radiation from the event horizon of a black hole and make it observable – has been proposed by Haruna Katayama of Hiroshima University in Japan. If built, the device could even advance technologies such as quantum computing.

Radiation 145
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Computer calculation and machine learning in radiotherapy

Physics World

Recent innovations of computer calculation and artificial intelligence in radiotherapy resulted in rapid advancements in various aspects in cancer treatment such as treatment planning, patient-specific quality assurance, radiation dosimetry, and education for patients and radiation staff. Speaker relationship with IOP Publishing.

Radiation 100