YouTube. YouTube. Saint, Peace Seeker, Hero by Turns. HODAL, India — Barreling down a sizzling-hot road, in a cloud of diesel fumes and dust, Ludkan Baba is on a serious roll.
He lies flat on the ground, turning himself over and over like a runaway log, limbs flailing as he bumps across potholes, splashes through mud puddles and falls deeper into a spiritual trance. Like any sadhu, or Hindu ascetic, he undertakes severe penance to liberate his soul from reincarnation's endless cycle of birth, death and rebirth.
Apology by Plato. Philosophy bites. Philosophy: The Classics Podcast by Nigel Warburton. Scientific method. For observational studies see observational study An 18th-century depiction of early experimentation in the field of chemistry The scientific method is a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge. To be termed scientific, a method of inquiry must be based on empirical and measurable evidence subject to specific principles of reasoning. The Oxford English Dictionary defines the scientific method as: "a method or procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
Future of an expanding universe. Observations suggest that the expansion of the universe will continue forever.
If so, the universe will cool as it expands, eventually becoming too cold to sustain life. For this reason, this future scenario is popularly called the Big Freeze. Cosmology YouTube. YouTube. YouTube.