How Long is a Piece of String

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YEAR: 2009 | LENGTH: 1 part (60 minutes) | SOURCE: BBC

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Alan Davies attempts to answer the proverbial question: how long is a piece of string? But what appears to be a simple task soon turns into a mind-bending voyage of discovery where nothing is as it seems.

An encounter with leading mathematician Marcus du Sautoy reveals that Alan’s short length of string may in fact be infinitely long. When Alan attempts to measure his string at the atomic scale, events take an even stranger turn. Not only do objects appear in many places at once, but reality itself seems to be an illusion.

Ultimately, Alan finds that measuring his piece of string could – in theory at least – create a black hole, bringing about the end of the world.

SIMILAR TITLES:

Alan and Marcus Go Forth and MultiplyTo Infinity and BeyondThe Secrets of Quantum PhysicsParallel Worlds, Parallel LivesThe Fabric of the CosmosPrecision: The Measure of All Things

#physics #quantumPhysics

Atom

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YEAR: 2007 | LENGTH: 3 parts (60 minutes each) | SOURCE: BBC

description:

The story of the discovery that everything is made from atoms, one of the greatest scientific breakthroughs in history, and the brilliant minds behind it.

episodes:

01. The Clash of the Titans

The first of three programmes in which nuclear physicist Professor Jim Al-Khalili tells the story of the greatest scientific discovery ever – that everything is made of atoms.

As scientists delved deep into the atom, into the very heart of matter, they unravelled nature’s most shocking secrets. They had to abandon everything they believed in and create a whole new science, which today underpins the whole of physics, chemistry, biology and maybe even life itself.

The series tells a story of geniuses like Albert Einstein and Werner Heisenberg who were driven by their thirst for knowledge and glory. It is a story of false starts and conflicts, ambition and revelation, a story which leads us through some of the most exciting and exhilarating ideas ever conceived by the human race.

02. The Key to the Cosmos
The second in Professor Jim Al-Khalili’s three-part documentary about the basic building block of our universe, the atom. He shows how, in our quest to understand the tiny atom, we unravelled the mystery of how the universe was created. It’s a story with dramatic twists and turns, taking in world-changing discoveries like radioactivity, the atom bomb and the big bang. All this forms part of an epic narrative in which the greatest brains of the 20th century competed to answer the biggest questions of all – why are we here and how were we made?

03. The Illusion of Reality

The final part of Professor Jim Al-Khalili’s documentary series about the basic building block of our universe, the atom.

Al-Khalili explores how studying the atom forced us to rethink the nature of reality itself, encountering ideas that seem like they are from science fiction but in fact are a central part of modern science. He discovers that there might be parallel universes in which different versions of us exist and finds out that empty space is not empty at all, but seething with activity.

The world we think we know – the solid, reassuring world of our senses – turns out to be a tiny sliver of an infinitely weirder and more wonderful universe than we had ever conceived in our wildest fantasies.

SIMILAR TITLES:

Chemistry: A Volatile HistoryOrder and DisorderThe Story of Science: Power, Proof and PassionShock and Awe: The Story of ElectricityJames May’s Things You Need to KnowThe Mystery of Matter: Search for the Elements

#atom #chemistry #electron #neutron #proton #quantumPhysics #quarks