Casimir force harnessed for free energy generation
▼ Summary
– Casimir Inc., a startup that previously developed the EM-drive, has emerged from stealth mode with venture capital funding to develop perpetual free energy sources.
– The company aims to extract energy from the vacuum using the Casimir force, a real phenomenon arising from virtual particles in empty space.
– The Casimir force occurs when confined spaces, like the gap between two metal plates, limit available modes, creating an imbalance in particle distribution.
– The imbalance results in more particles outside the confined space, which bounce off the plates and push them together.
– The article notes the EM-drive’s only practical application was in the fictional TV show Salvation, implying skepticism about the new venture’s feasibility.
This week, a company called Casimir Inc. emerged from stealth mode with a bold announcement: it had secured significant venture capital funding to pursue what many would call the holy grail of physics , free energy. Yes, a startup has found serious backers willing to gamble on a device that could generate perpetual, cost-free power. The same team previously brought us the infamous EM-drive, a so-called “WTF thruster” that claimed to convert electricity directly into thrust without any propellant.
(For those keeping score, the EM-drive’s most notable real-world application came on the TV show Salvation, where it received about as much scientific respect as the Omega-13 from Galaxy Quest.)
Given that track record, who are we to doubt them?
Harnessing the Vacuum
Casimir Inc. believes it can extract energy from the vacuum itself by leveraging the Casimir force , yes, that’s the subtle clue in their name. The Casimir force is a well-documented phenomenon, rooted in the fact that a vacuum is far from empty. Instead, it teems with a froth of virtual particles that spontaneously pop into existence in pairs, briefly interact, annihilate one another, and then dissolve back into the quantum soup. This force emerges when we create an imbalance in how these virtual particles are distributed across space. The universe, seeking equilibrium, generates a measurable pressure.
To understand the Casimir force, we have to talk about modes , one of my favorite concepts and a frequent source of torment for undergraduate physics students. Simply put, a mode describes how a photon can spread out and fill a given volume. The larger the space, the more ways a photon can arrange itself inside it.
The universe is vast, so it contains an enormous number of modes. But if you carve out a tiny, confined region , say, the gap between two closely spaced metal plates , the number of available modes shrinks dramatically. In that narrow space, fewer modes are likely to be occupied by particles. So inside the gap, you have virtually no particles; outside it, particles abound. As those external particles bounce off the plates, they push the plates together. That pressure is the Casimir force in action.
(Source: Ars Technica)