| Title | Matter of Perspective |
|---|---|
| Contributor | David H. Silver(author) |
| DOI | https://doi.org/10.11647/OBP.0526.47 |
| Landing page | https://www.openbookpublishers.com/books/10.11647/obp.0526/chapters/10.11647/obp.0526.47 |
| License | https://creativecommons.org/licenses/by-nc/4.0/ |
| Copyright | David H. Silver |
| Publisher | Open Book Publishers |
| Published on | 2026-04-08 |
| Long abstract | Empty space isn’t empty — and even that depends on who’s looking. The quantum vacuum teems with field fluctuations, but more disturbing: two observers can fundamentally disagree about whether particles exist at all. An astronaut floating peacefully sees perfect vacuum around her. Her twin, firing rockets to accelerate through the same region, is bombarded by thermal radiation at temperature T = ħa/2πck_B — the Unruh effect. The accelerating observer’s particle detectors click frantically while the inertial observer’s remain silent. Particle content becomes relative, like simultaneity in Einstein’s relativity. |
| Print length | 10 pages |
| Language | English (Original) |
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| Landing Page | Full text URL | Platform | |||
|---|---|---|---|---|---|
| https://www.openbookpublishers.com/books/10.11647/obp.0526/chapters/10.11647/obp.0526.47 | Landing page | https://books.openbookpublishers.com/10.11647/obp.0526.47.pdf | Full text URL |
David H. Silver is an industrial researcher whose career bridges computer vision, computational biology, and science communication. He studied mathematics, computer science, and biology at the Technion — Israel Institute of Technology as a Rothschild Scholar, and was awarded a Microsoft Research PhD Fellowship for his doctoral work in computational biology at Cambridge, UK. Silver’s peer-reviewed publications span multiple domains: computational biology in Nature and PNAS; computer vision systems in IEEE Transactions on Pattern Analysis and Machine Intelligence; medical AI in Human Reproduction and MIDL; and entertainment analysis in PLoS One. He holds over a dozen patents in depth sensing, medical imaging, and generative AI. His industry positions include Algorithm Engineer at Intel Corporation, ML Researcher at Apple, and CTO/co-founder roles at several technology startups. Silver maintains academic collaborations with researchers worldwide and serves as a peer reviewer for Image and Vision Computing and PNAS.