Roentgen: discovered X-rays (1895). Madame Curie(1867-1934) Together with her husband Pierre, she discovered both Radium and Polonium (1898) Nobel prizes.

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Presentation transcript:

Roentgen: discovered X-rays (1895)

Madame Curie( ) Together with her husband Pierre, she discovered both Radium and Polonium (1898) Nobel prizes in Physics, and later in Chemistry. Died of leukemia 1934.

Radioactive decay sequence for 238 U to lead

Trinity Test (Alamagordo) July, 1945 Fission Trojan nuclear power plant

Chernobyl, 1986

Hydrogen fusion

FusionFusion Fusion Fusion

CAT scan X-ray slices of brain

Positron Emission Tomography(PET): brain images

Litvinenko dying of 210 Po radiation poisoning Just before Soon after

Lugovoy: a suspect, and also contaminated with Po

Magnetic Resonance Imaging (MRI)

Ice-man dated by 14 C (~5000 yrs ago) Carbon dating

Dead Sea Scrolls (~1800 yrs old)

A ‘Picasso’ 30,000 years ago (Chauvet Cave, Southern France)