Casimir Effect & Black Holes - Sixty Symbols
Why Physics Stack Exchange recommends it
Physics Stack Exchange users cite it as an accessible account of the Casimir effect and virtual particles, usually as the source of a question about vacuum energy or whether those ideas are being described correctly.
Recommended by 0 people across 0 different months, 2016 to 2025.
What it is
A 10-minute Sixty Symbols video in which Professor Mike Merrifield of the University of Nottingham explains the Casimir effect, virtual particles and how the same ideas lead to Hawking radiation from black holes. It is a conversational explainer filmed by Brady Haran with simple animation.
What people said
Cites Suhrid Mulay · 2016-11 · Physics Stack Exchange · on “Casimir Effect. Where does the energy which pulls the plate come from?”
According to this video here [this video] on the Casimir Effect Wikipedia [LINK] . Due to the greater pressure from the 'outside' of the plates these plates of metals get pushed towards each other. When this pressure pushes one plate it does work on the plate and increases the plate's energy. However since the effect is demonstrated in a vacuum where does this energy come from?
Cites user36446 · 2019-06 · Physics Stack Exchange · on “Energy conservation limited by uncertainty principle”
@Martin are you some kind of virtual-particle denier? In this video from Sixty Symbols ( [this video] ) the speaker talks about the Dynamical Casimir effect and he says it was proven experimentally not too long ago. Also, can you explain a little bit more about this electromagnetically induced Casimir effect? Don't ALL quantum fields result in so-called zero point energy after renormalization?
Cites Neil Graham · 2021-08 · Physics Stack Exchange · on “Are space and matter interchangeable?”
In this post I am referencing the following 'Sixty Symbols' video: Casimir Effect & Black Holes [this video] The video mentions that the Casimir effect can be used to prove that virtual particles are created from the space vacuum ( 2:15 - 4:55 [this video] ). Under certain circumstances, some of these virtual particles can be turned into real particles, seemingly when a particle and its antiparticle are separated ( 4:57 - 7:19 [this video] ). Is this enough evidence that space and matter are fundamentally the same and therefore are interchangeable? Can space be converted into matter (and vice versa)?
Critical Neil Graham · 2021-08 · Physics Stack Exchange · on “Are space and matter interchangeable?”
@JeanbaptisteRoux Sorry I believe I am misinterpreting this video: [this video] Rather than the Casimir effect describing virtual particles, the Casimir effect is used as proof for virtual particles. Two plates close to each other in a vacuum are pushed together.
Critical Tristan Brown · 2025-02 · Physics Stack Exchange · on “Why can't you have a particle at rest or with no energy?”
I've only done an introduction into quantum mechanics but I've seen several videos (This seemed the most credible and confused me the most [this video] ) describing the Casimir effect and most seem to draw on the fact that it's not possible for a particle to have 0 energy/momentum because that would violate the the HUP. My understanding is that the HUP is always obeyed but it is with regard to what we observe and our increased uncertainty in another measurement as we become more certain of one. It seems to me as if the videos are saying that since we can't know two quantities with perfect certainty, it somehow follows that particles cannot have 0 energy/momentum. When I try to make sense of this