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Cosmic Vision: Watching the Radio

At longer wavelengths than the normal optical wavelengths to which human eyes are normally sensitive, is the radio part of the electromagnetic spectrum.

Looking for Life On Mars

Mars has changed since it formed 4.6 billion years ago. When life started on Earth ~4 billion years ago, Mars was habitable too, with volcanism, a magnetic field, surface water and a thick atmosphere. Today, Mars is cold and dry, with a thin atmosphere and harsh surface.

Perceptions, Expectations, and Discoveries

This talk will consider how expectation plays a role in discovery and in scientific advance, and considers the challenges involved in assessing changes taking place on our own planet.

Mysteries of the Dark Cosmos

This lecture will present the endeavours of cosmologists and particle physicists, as they attempt to explain the fundamental nature of these mysterious dark components.

Engineering: Archimedes of Syracuse

In the 3rd century BCE, the Sicilian polymath Archimedes significantly advanced human understanding of mathematics, geometry and astronomy.

Simple Laws, Spectacular Astrophysics

This talk will examine why laws are simple and how the combination of simple laws can lead to rich complexity.

Webb Vs. Hubble: Battle of the Space Giants

The Hubble Space Telescope is rapidly approaching its 30th birthday, and we will explore some of the amazing insights it has provided on the beauty of our universe and our place in it.

What Has Einstein Ever Done For You?

This lecture will offer a surprising exploration of the wide-ranging consequences of Einstein’s ideas, and how they shape our everyday lives.

Shapes of Free Fall

This talk will explore how simple changes to the circumstances can make dramatic differences to the shapes of the orbits, all of which belong to a special family of shapes known as the conic sections.

Prohibition: A Battle in America’s Last Culture War

The lecture will show how Prohibition animated combatants on both sides, generating two Americas that were barely comprehensible to each other, and how the truce declared during depression and war would not last.

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