# In 1879, Edwin Hall discovered an electrical effect thought to need a perpendicular magnetic field; 147 y

> **Open Intelligence Dossier** · First detected: 2026-09-07 11:07 UTC · Category: Science

## Executive Summary
A scientific breakthrough is challenging a century-old assumption regarding the Hall effect and the necessity of perpendicular magnetic fields.

## Intelligence Brief
Physicists have achieved a breakthrough involving the Hall effect that contradicts a long-standing assumption in the field of physics. According to reporting from The Times of India, Edwin Hall discovered this electrical effect in 1879, and for 147 years, it was believed that the effect required a perpendicular magnetic field to function. New developments have now challenged this fundamental premise, leading to a phenomenon described as a sideways Hall effect. This discovery suggests that the traditional understanding of how these electrical currents behave under magnetic influence is incomplete or incorrect. Coverage of this development is widespread across several scientific and general news outlets. Science Daily reports that scientists have officially overturned a century-old physics assumption, while Phys.org notes that physicists are taking the Hall effect in a new direction.


The Economic Times emphasizes the magnitude of this shift, stating that 145 years of physics have been overturned. The publication further claims that this breakthrough promises to rip apart existing textbooks and potentially disrupt current scientific frameworks. Additionally, vajiramandravi.com has provided updates covering the working principles, applications, and sensors associated with the Hall effect. To understand the significance of this event, one must look at the history of the Hall effect dating back to the late nineteenth century. As established by The Times of India, the discovery by Edwin Hall occurred in 1879. For nearly a century and a half, the academic consensus maintained that a perpendicular magnetic field was a strict requirement for the electrical effect to manifest.


Because the Hall effect is foundational to various sensors and electrical applications, changing the core understanding of its working principle represents a major shift in theoretical physics and practical electronic engineering. Future attention will likely focus on how this new direction for the Hall effect impacts existing technology and academic literature. Based on the reports from The Economic Times and Science Daily, the immediate focus is on the overturning of established assumptions. Observers will be watching for updates on how this discovery alters the design of sensors and other applications mentioned by vajiramandravi.com. The scientific community will need to determine the extent to which textbooks must be rewritten to accommodate the fact that the perpendicular magnetic field requirement has been challenged.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| vajiramandravi.com | Hall Effect, Working Principle, Applications, Sensors, Latest News | [Source Link](https://news.google.com/rss/articles/CBMiZkFVX3lxTFBmaE14dXQyLTRYNlQtd2JsbXZSYVZkN04tbmRxQWlzcFhGQ1lJQW51Q29kVktoVjBWd3NfcGpwM1kzRUw1NmRkcjB4dVlhdzhxTVJZTmYtTTh6M012bXo5QS1wUDNtQQ?oc=5) |
| Science Daily | Scientists just overturned a century-old physics assumption | [Source Link](https://news.google.com/rss/articles/CBMib0FVX3lxTFAzUUtVMkdsM1R6TjFlWVROWFRMZ21VV29IejZTNGY1M21XcUhJR1dBZXF1Q0ZnYmVxMW5kakk1dm9fMWRadDRndER5RmJzZXlXb2tYc0hMUGY1elRQU1o1aGljdEo2ZG5BQU9sdXY0bw?oc=5) |
| The Economic Times | 145 years of physics overturned as sideways Hall effect breakthrough promises to rip apart textbooks & sup | [Source Link](https://news.google.com/rss/articles/CBMizgJBVV95cUxPOTZZZXZDTVVhdExLUmJhM3pvN01WUUJCcnpBUGFDTW5GQkV6WXdSR1BncjRQUTNsMk1iUi1YY3o5MHF4S2NKLVhTQUJlTWtaYXNYVG9tSFJGNDEzX1BHNHNzSFp6SnEzcG5PdFFRYlJJOWVKNlYwYnNMYmx0bmJJdUw5dEZxYmp3aWppSjdEUl9lbE9hMWxobGRVUFBGYjc3dE9faFJONVViS09FT08wallQVXJqc196bHZ1WV90TmxXUmxWOHVkb3g3b3E0UWhqWnBsUko0di1STGxkVjNhbU1aQy0weU5KOThza2tYQmROYkQ2dTlUQk90WFpsaEt1RV9aVGdtSWpFZFEwRXM4NWxpTmpkVzB0cEJyYXhLUTlQd1J2RUdDRDRvY3hHOGlIbV9jTjBTOGJEZEl4TUFTOVpYNDZsQ2N1QnhsblRn0gHTAkFVX3l) |
| Phys.org | Physicists take Hall effect in a new direction | [Source Link](https://news.google.com/rss/articles/CBMiaEFVX3lxTFBJaklWcUlOR2Y0bmMyX0xRV3J5T3pwOWY4X0dLWnZ1MEs5LUVkeTc1NnM4VklBZnZsV09GWFRndXl0VG5wOGpfQnpXU3RnV1FZa1lad2NzclpzR1E2NWFHWU9vWGtMdkoy?oc=5) |
| The Times of India | In 1879, Edwin Hall discovered an electrical effect thought to need a perpendicular magnetic field; 147 y | [Source Link](https://news.google.com/rss/articles/CBMi3gJBVV95cUxQN0dlUENid1ZMdnRNQXVmSjFESzlLSDFTQV9oVXJQU3l3UlNKQ0hOUjZmWWtIUG1ZdWZKTXRUQ2VqLWxvVVZONGxmRHF1SlBOLXkyRU1ZRFZvNFBCSWdTYXczSXN5bnczQnJrdXJscGtpcTFuN1dHRS12a1JERmZLYmxiN2tfSGlTV1V5dG1hd3BmanE2dWJmX3M0ZG5YV2oyZWIzZmNJNjYzanFoanFrNVc4bGdxMWJnVG55NUZZVjBnS3d3WVhtWDY2VTl5Y2hEN1F5YVZWVHloTHpoRTdwcWFDVGE5aVdBQW9vOFUwcmdLQmE1OVVRZVZERG9oT0JpaWNGSEZoRmpDUHJJcVo3Y2F2YVlsUF9YRGJhaEdabWtRbUpPQ3VyZGJrUDB2bVByVmR0WFdqRzVTNGV5dngyOVhocGg4bjVEQXdSSUdTMjlsWS1IZk1) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-09-07/in-1879-edwin-hall-discovered-an-electrical-effect-thought-to-need-a*