Cosmic Rays
In Our Time16 Touko 2013

Cosmic Rays

Melvyn Bragg and his guests discuss cosmic rays. In 1912 the physicist Victor Hess discovered that the Earth is under constant bombardment from radiation coming from outside our atmosphere. These so-called cosmic rays have been known to cause damage to satellites and electronic devices on Earth, but most are absorbed by our atmosphere. The study of cosmic rays and their effects has led to major breakthroughs in particle physics. But today physicists are still trying to establish where these highly energetic subatomic particles come from.

With:

Carolin Crawford Gresham Professor of Astronomy and a member of the Institute of Astronomy at the University of Cambridge

Alan Watson Emeritus Professor of Physics at the University of Leeds

Tim Greenshaw Professor of Physics at the University of Liverpool.

Producer: Thomas Morris.

Jaksot(1082)

Socrates in Prison

Socrates in Prison

Melvyn Bragg and guests discuss Plato's Crito and Phaedo, his accounts of the last days of Socrates in prison in 399 BC as he waited to be executed by drinking hemlock. Both works show Socrates prepar...

20 Helmi 202550min

The Battle of Valmy

The Battle of Valmy

Melvyn Bragg and guests discuss one of the most consequential battles of recent centuries. On 20th September 1792 at Valmy, 120 miles to the east of Paris, the army of the French Revolution faced Prus...

13 Helmi 202547min

Slime Moulds

Slime Moulds

Melvyn Bragg and guests discuss slime mould, a basic organism that grows on logs, cowpats and compost heaps. Scientists have found difficult to categorise slime mould: in 1868, the biologist Thomas Hu...

30 Tammi 202551min

Vase-mania

Vase-mania

Melvyn Bragg and guests discuss eighteenth century 'vase-mania'. In the second half of the century, inspired by archaeological discoveries, the Grand Tour and the founding of the British Museum, parts...

23 Tammi 202556min

Plutarch's Parallel Lives

Plutarch's Parallel Lives

Melvyn Bragg and guests discuss the Greek biographer Plutarch (c46 AD-c120 AD) and especially his work 'Parallel Lives' which has shaped the way successive generations see the Classical world. Plutarc...

16 Tammi 202556min

The Habitability of Planets

The Habitability of Planets

Melvyn Bragg and guests discuss some of the great unanswered questions in science: how and where did life on Earth begin, what did it need to thrive and could it be found elsewhere? Charles Darwin spe...

9 Tammi 202552min

Nizami Ganjavi

Nizami Ganjavi

Melvyn Bragg and guests discuss one of the greatest romantic poets in Persian literature. Nizami Ganjavi (c1141–1209) is was born in the city of Ganja in what is now Azerbaijan and his popularity soo...

2 Tammi 202552min

The Hanoverian Succession

The Hanoverian Succession

Melvyn Bragg and guests discuss the intense political activity at the turn of the 18th Century, when many politicians in London went to great lengths to find a Protestant successor to the throne of Gr...

26 Joulu 202450min

Suosittua kategoriassa Historia

olipa-kerran-otsikko
gogin-ja-janin-maailmanhistoria
mayday-fi
huijarit
mystista
rss-ikiuni
totuus-vai-salaliitto
konginkangas
tsunami
rouva-diktaattori
rss-kirkon-ihmeellisimmat-tarinat
rss-i-dont-like-mondays-2
rss-subjektiivinen-todistaja
rss-sattuu-sita-suomessakin
rss-peter-peter
sotaa-ja-historiaa-podi
apinan-vuosi
historiaa-suomeksi
rss-kikka-forever
rss-outoja-uutisia-pohjois-suomesta