photons
Communicating With a Relativistic Spacecraft Gets Pretty Weird
Someday, in the not-too-distant future, humans may send robotic probes to explore nearby star systems. These robot explorers will likely…
Are We Entering the Era of Quantum Telescopes?
In a recent study, a team of researchers showed how combining interferometry with quantum principles could lead to quantum telescopes.
Massive Photons Could Explain Dark Matter, But Don’t
I’ll be the first to admit that we don’t understand dark matter. We do know for sure that something funny…
Could Space Travelers Melt As They Accelerate Through Deep Space?
According to a new study by researchers from Brazil, objects accelerating through space could be subject to increased radiation exposure.
When Was the First Light in the Universe?
When was the first time that the Universe cooled down enough that light could finally move around?
What is the Speed of Light?
Since the late 17th century, scientists have been attempting to measure the speed of light, with increasingly accurate results
What is the Higgs Boson?
What is this thing we keep hearing about - the Higgs Boson, and why is it important? (more…)
Astronomy Cast Ep. 369: The Fizeau Experiment
Light is tricky stuff, and it took scientists hundreds of years to puzzle out what this stuff is. But they…
When Light Just Isn’t Fast Enough
Take a speed of light trip across the solar system starting at the Sun We've heard it over and over.…
Why Can’t We See the Big Bang?
Since telescopes let us look back in time, shouldn't we be able to see all the way back to the…