This is where dosimetry plays a vital role. Dosimetry measures how much radiation is delivered during medical procedures and ensures that patients receive exactly the dose prescribed. Reliable dose ...

An IAEA radiation metrologist at the Dosimetry Laboratory setting up for calibrating an ionization chamber for external beam radiotherapy. (Photo ...

Amy Pope does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Florian Neukart does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

Physicists have watched a quantum fluid do something once thought almost impossible: stop moving. In experiments with ultra-thin graphene, researchers observed a superfluid—normally defined by its ...