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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2511.16710 |
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| _version_ | 1866917096414248960 |
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| author | Groszek, Andrew J. Woffinden, Charles W. Harvey, Michael D. White, Andrew G. Davis, Matthew J. |
| author_facet | Groszek, Andrew J. Woffinden, Charles W. Harvey, Michael D. White, Andrew G. Davis, Matthew J. |
| contents | All modern wireless communication technologies are based on electromagnetism. However, electromagnetic signals are susceptible to screening and blocking, so their availability cannot be guaranteed in adverse environments. This raises a fundamental question: Can information be transmitted through a truly unblockable channel? Here we show that gravity, unlike electromagnetism, offers such a path. We propose and implement a wireless communication protocol in which a broadcaster encodes a binary message by moving a mass, while a receiver detects the resulting gravitational signal with a gravimeter. We validate this scheme experimentally, successfully transmitting a gravitational message a distance of $\approx$ 0.7 m through a brick wall at a rate of 1 bit min$^{-1}$. These results establish gravity as a viable platform for unblockable communication. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_16710 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Unblockable Communication With Gravity Groszek, Andrew J. Woffinden, Charles W. Harvey, Michael D. White, Andrew G. Davis, Matthew J. General Physics All modern wireless communication technologies are based on electromagnetism. However, electromagnetic signals are susceptible to screening and blocking, so their availability cannot be guaranteed in adverse environments. This raises a fundamental question: Can information be transmitted through a truly unblockable channel? Here we show that gravity, unlike electromagnetism, offers such a path. We propose and implement a wireless communication protocol in which a broadcaster encodes a binary message by moving a mass, while a receiver detects the resulting gravitational signal with a gravimeter. We validate this scheme experimentally, successfully transmitting a gravitational message a distance of $\approx$ 0.7 m through a brick wall at a rate of 1 bit min$^{-1}$. These results establish gravity as a viable platform for unblockable communication. |
| title | Unblockable Communication With Gravity |
| topic | General Physics |
| url | https://arxiv.org/abs/2511.16710 |