A new technique is being used to analyze the work of Van Gogh, potentially uncovering a major secret in the art world. This method examines the microscopic texture of brushstrokes, which can be thought of as a unique geometric identifier. Further details about this technique and its potential to detect forgeries are available from El Mundo.

The approach is said to be able to identify the authenticity of paintings, which could have significant implications for museums. For more information on this development and how it may impact the art world, readers can refer to the original article in El Mundo.