The notion of a point-like particle (electron, for example) is a very bad notion dwelling in Physics despite experiments say contrary. But if an electron tends to **[explode][1]**, the gravitating mass tends to collapse. Both features are manifestations of our blunders in describing physical phenomena. [1]: https://docs.google.com/leaf?id=0B4Db4rFq72mLNmRjM2FjMzEtNmU1NS00Njk0LWIzOTAtZTk3YTNkZGYyZGUx&hl=en_US