Astrophysical fluid dynamics she pulls in her arms. These stars gradually slow down over the eons, but those bodies that are still spinning rapidly may emit radiation that from Earth appears to blink on and off as the star spins, like the beam of light from a turning lighthouse. This "pulsing" appearance gives some neutron stars the name pulsars. After spinning for several million years pulsars are drained of their energy and become normal neutron stars. Few of the known existing neutron stars are pulsars. Only about 1,000 pulsars are known to exist, though there may be hundreds of millions of old neutron
Racing the Beam speed electron beam across the screen. "Racing the Beam" discusses the history of the VCS platform and the design decisions that impacted the types of games that could be written for it. Specific titles such as "Combat", "Pitfall!" and "Yars' Revenge" are analyzed from a technical and cultural perspective. "Racing the Beam" is the first in a series of books on early video game platforms, and has been cited by modern Atari 2600 enthusiasts as an inspiration for attempting to write new games for the platform. Racing the Beam Racing the Beam: The Atari Video Computer System is a book