Named GW 231123 after the date it was recorded on 23 November 2023, it's the most massive black hole collision we've seen yet ...

RECENT measurements of the reflection coefficient of the ionosphere, for radio waves between 60 m. and 100 m., have led to a method of determining the collision frequency of electrons and ...

This is known as a collisional frequency shift. There have been several theories about what affects the collision shift and how to compensate for it but existing methods can take days or even weeks.

Here are tips on how to reduce the chances of a deer-vehicle collision involving your vehicle: Be aware of posted deer crossing signs. These are placed in active deer crossing areas. Remember that ...

As detailed in a safety guide published by Tesla, the daily score is calculated through a Predicted Collision Frequency (PCF) formula. The final calculation is an estimate of how many collisions ...