Fishing sinker fish being pursued, the environment, the current and personal preference. Pyramid sinkers are shaped like a pyramid and are used when it is desirable to anchor on the bottom of water bodies. They are attached to the terminal end of fishing line by loops of brass. Barrel or egg sinkers are rounded and often bead-like with a narrow hole through which fishing line is threaded. These sinkers are desirable on rock or debris covered substrates. Split-shot sinkers are small and round with a split cutting halfway through the sinker. The split can be placed on a piece of fishing line
Bullet (software) Bullet (software) Bullet is a physics engine which simulates collision detection, soft and rigid body dynamics. It has been used in video games as well as for visual effects in movies. Erwin Coumans, its main author, won a Scientific and Technical Academy Award for his work on Bullet. He worked for Sony Computer Entertainment US R&D from 2003 until 2010, for AMD until 2014, and he now works for Google. The Bullet physics library is free and open-source software subject to the terms of the zlib License. The source code is hosted on GitHub, before 2014 it was hosted on