Physics

2 - Infinity and Beyond: Anaximander and Anaximenes

Posted on

Peter discusses two very early Greek philosophers, both from Miletus: Anaximander and Anaximenes.

30 - A Likely Story: Plato's Timaeus

Posted on

Peter looks at Plato's Timaeus, focusing on the divine craftsman or demiurge, the receptacle, and the geometrical atomism of Plato's elemental theory.

39 - Form and Function: Aristotle's Four Causes

Posted on

Aristotle's Physics presents four types of cause: formal, material, final and efficient. Peter looks at all four, and asks whether evolutionary theory undermines final causes in nature.

40 - Let's Get Physical: Aristotle's Natural Philosophy

Posted on

Before Isaac Newton (and Olivia Newton John), there was Aristotle. Peter looks at his Physics, focusing on the notions of actuality and potentiality and how they help to explain such concepts as time and motion.

41 - Richard Sorabji on Time and Eternity in Aristotle

Posted on

Peter talks to Sir Richard Sorabji about Aristotle's physics, focusing on the definition of time and the eternity of the universe.

Filling the Gaps - a Brief History of Nothing

Posted on

A recording of Peter's lecture delivered on Oct 25, 2011, at the Arts and Humanities festival on "The Power of Stories" at King's College London.

55 - The Constant Gardener: Epicurus and his Principles

Posted on

Peter begins to examine the philosophy of Epicurus, focusing on his empiricist theory of knowledge and his atomic physics.

58 - Reaping the Harvest: Lucretius

Posted on

Lucretius’ poem On the Nature of Things sets Epicureanism into verse. Peter takes a look at its treatment of the soul, free will and the swerve and human society.

62 - We Didn’t Start the Fire: the Stoics on Nature

Posted on

Peter looks at the Stoic idea of god, a providential fire that pervades nature, and considers their idea of a deterministic and eternally recurring cosmos.

98 - For a Limited Time Only: John Philoponus

Posted on

John Philoponus refutes Aristotle’s and Proclus’ arguments for the eternity of the universe, and develops new ideas in physics.

165 - Neither the Time Nor the Place: Hasdai Crescas

Posted on

Ḥasdai Crescas shows Aristotelian physics who’s boss, by defending alternative conceptions of time, place and infinity.

172 - All Things Considered: Abū l-Barakāt al-Baghdādī

Posted on

Abū l-Barakāt al-Baghdādī makes up his own mind about physics and the soul, and along the way inaugurates a new style of doing philosophy.

214. The Good Book: Philosophy of Nature

Posted on

As early medieval science blossoms, Bernard Silvestris and Alan of Lille personify Nature in their philosophical prose-poems.

226. Full of Potential: Thirteenth Century Physics

Posted on

Richard Rufus and anonymous commentators on Aristotle explore the nature of motion, time, infinity and space.

240. Animal, Vegetable, Mineral: Albert the Great’s Natural Philosophy

Posted on

Albert the Great earns his nickname “universal doctor” by devoting himself to the whole of nature, from geology and botany to the study of human nature.

38. A Day in the Life: Theories of Time

Posted on

Ancient Indian cosmology and the Vaiśeṣika defense of the reality of time and space.

279. Quadrivial Pursuits: the Oxford Calculators

Posted on

Bradwardine and other thinkers based at Oxford make breakthroughs in physics by applying mathematics to motion.

280. Get to the Point: Fourteenth Century Physics

Posted on

Ockham, Buridan, Oresme and Francis of Marchia explore cosmology, atomism, and the impetus involved in motion.

45. Motion Denied: Nāgārjuna on Change

Posted on

Nāgārjuna applies his emptiness theory to motion, change, and cognition.

283. Jack Zupko on John Buridan

Posted on

Peter speaks to Jack Zupko about John Buridan's secular and parsimonious approach to philosophy.

322. Do the Math: Science in the Palaiologan Renaissance

Posted on

Mathematics and the sciences in Byzantium, focusing on scholars of the Palaiologan period like Blemmydes and Metochites.

365. Spirits in the Material World: Telesio and Campanella on Nature

Posted on

Was the anti-Aristotelian natural philosophy of Bernardino Telesio and Tommaso Campanella the first modern physical theory?

368. Boundless Enthusiasm: Giordano Bruno

Posted on

Giordano Bruno’s stunning vision of an infinite universe with infinite worlds, and his own untimely end.

369. The Harder They Fall: Galileo and the Renaissance

Posted on

Did Galileo’s scientific discoveries grow out of the culture of the Italian Renaissance?

387. Helen Hattab on Protestant Philosophy

Posted on

An interview with Helen Hattab on the scope and impact of scholastic philosophy among Protestants.

388. Just Add Salt: Paracelsus and Alchemy

Posted on

Paracelsus adapts the tradition of alchemical science for use in medicine, and in the process overturns the scientific theories of Aristotle and Galen.

389. The Acid Test: Theories of Matter

Posted on

Schegk, Taurellus, Gorlaeus, and Sennert revive atomism to explain chemical reactions, the composition of bodies, and the generation of organisms.

395. Music of the Spheres: Johannes Kepler

Posted on

Kepler combines Brahe's observations, Copernicus' astronomy, and Platonist metaphysics.

433. Nature’s Mystery: Science in Renaissance England

Posted on

How scientists of the Elizabethan age anticipated the discoveries and methods of the Enlightenment (without necessarily publishing them).

435. Metal More Attractive: William Gilbert and Magnetism

Posted on

The cosmological and methodological implications of breakthroughs in the understanding of magnetism and electricity at the turn of the 17th century.

436. Unpathed Waters, Undreamed Shores: Robert Fludd

Posted on

Our last figure of the English Renaissance undertakes daring investigations of chemistry, medicine, agriculture, and cosmology – and gets accused of magic and Rosicrucianism.