Empirical or “a posteriori” knowledge refers to that which can only be known through observation or experimentation.
This knowledge can be gained through various means. Ken Plummer gives two examples of logics of research processes: 261 more words
The scientists at the Massachusetts Institute of Technology (MIT) conducted roughly 600 experiments and found out why they believe rain brings forth that lovely perfume. By using high-speed cameras to observe raindrops as they hit various porous surfaces, they discovered that small air bubbles become trapped under the drops upon impact, rise up to the surface, and then escape into the surrounding air. 78 more words