Radiation Is Everywhere. But It’s Not All Bad
For many of the sources you encounter in everyday life, the amount of radiation is so low that you don’t need to worry about it. But ionizing radiation can also …
physics
A New Map of the Universe, Painted With Cosmic Neutrinos
-copy.jpg "A New Map of the Universe, Painted With Cosmic Neutrinos")
The original version of this story appeared in Quanta Magazine. Of the 100 trillion neutrinos that pass through you every second, most come from the sun or Earth’s atmosphere. But …
How to Cool an Object Without Using Any Energy
There are three ways that objects can have a thermal interaction with other objects. The most common method is through heat conduction. This happens when two objects of different temperatures …
A New Experiment Casts Doubt on the Leading Theory of the Nucleus
The original version of this story appeared in Quanta Magazine. A new measurement of the strong nuclear force, which binds protons and neutrons together, confirms previous hints of an uncomfortable …
A New Idea for How to Assemble Life
According to assembly theory, before Darwinian evolution can proceed, something has to select for multiple copies of high-AI objects from the Assembly Possible. Chemistry alone, Cronin said, might be capable …