Solution to the Grandfather Paradox
As far as we know, time only moves in one direction – forward – but if you could loop back to visit the universe [...]
Physics
How we explore unanswered questions in physics | James Beacham
There is something about physics that has been really bothering me since I was a little kid. And it’s related to a question [...]
The Geometry of Causality | Space Time
This episode is sponsored by Audible. The special theory of relativity tells us that one person’s past may be another’s future. When time [...]
Fred Hoyle
Sir Fred Hoyle FRS was an English astronomer noted primarily for the theory of stellar nucleosynthesis and his often controversial stances on other [...]
What Is A Pulsar?
This question comes from William. He writes “Hi Fraser, I was wondering if you could do a video on pulsars like you did [...]
Neutron Stars: Crash Course Astronomy #32
When an 8 – 20 solar mass star ends its life, it does so with a bang: a supernova. And when it’s all [...]
CERN’s Large Hadron Collider
Insignificant though, this bottle of compressed hydrogen gas looks, it marks the beginning of the world’s largest and most powerful particle accelerator chamber [...]
I’m a Physicist At CERN We’ve Done Something We Shouldn’t Have Done part one
I’m a Physicist at CERN We’ve done something we shouldn’t have done! Connecting to other dimensions IS real and we’ve achieved contact! Could [...]
Understanding Radio Telescopes: Dr John Morgan
>> Dr. John Morgan: What I really want to convey to you today is a little bit about radio telescopes and rather than [...]
A Brief History of the Universe: Crash Course Astronomy #44
Hey folks, Phil Plait here, and for the past few episodes, I’ve been going over what we know about the structure, history, and [...]