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The Hydrogen Bomb
Basic Construction of the Teller-Ulam Device
Stage 1 High-explosive fires in primary, compressing plutonium core into supercriticality and beginning a fission reaction.
Stage 2 Fission primary emits X-rays which reflects along the inside of the casing, irradiating the polystyrene foam.
Stage 3 Polystyrene foam becomes plasma, compressing secondary, and plutonium sparkplug begins to fission.
Stage 4 Compressed and heated, lithium-6 deutheride fuel begins fusion reaction, neutron flux causes tamper to fission. A fireball is starting to form...
I AM BECOME DEATH, THE DESTROYER OF WORLDS. The Fundamentals of Nuclear Weapon Design.
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The Sun and Us The Sun’s Energy. Energy leaves the sun in the form of heat and electromagnetic radiation Result from the fusion reactions in the sun.
Nuclear Radiation NC Essential Standard Types of Radiation, Penetrating Ability of Radiation, Nuclear Equations, Nuclear Decay, Half-Life, Fission.
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Nuclear fission You can split the nucleus of an atom into two smaller fragments with a neutron. This method usually involves isotopes of uranium (uranium-235,
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For each atom, in its natural state, the number of electrons and the number of protons is equal. This number may or may not be the same as the number.
Nuclear Energy. Nuclear Fission Fission means “to divide” Nuclear fission is the process of splitting a nucleus into two nuclei with smaller masses. Additionally,
W. Udo Schröder, 2004 Nuclear Weapons 1. W. Udo Schröder, 2004 Nuclear Weapons 2 Acknowledgements/Disclaimer All information in this presentation is in.
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25.3 Fission and Fusion > 1 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. Chapter 25 Nuclear Chemistry 25.1 Nuclear Radiation.
DESIGING A NUCLEAR WEAPON. WHEN MOST PEOPLE THINK NUCLEAR ENERGY, THEY THINK BOMB. THEY THINK, “OH, MY GOSH, TERRORIST ARE GOING TO STEAL THE FUEL AND.
40 Nuclear Fission and Fusion After fusion, the total mass of the light nuclei formed in the fusion process is less than the total mass of the nuclei that.
Nuclear Chemistry. Nuclear Radioactivity – the process by which materials give off rays and particles. Radiation – penetrating rays and particles emitted.
Chapter 40 Nuclear Fission & Fusion Conceptual Physics Hewitt, 1999 Bloom High School.
Chapter 11 Nuclear Power Energy released in combustion reactions comes from changes in the chemical bonds that hold the atom together. Nuclear Energy.
Maysan Hasan 9 th grade girls April 29,2012 What is Nuclear Fuel? 1. Physics. fissile or fertile material that undergoes fission in a nuclear reactor.
P3 - Physics Nuclear Fusion & Fission P3 – Physics - Aims to sketch a labelled diagram to illustrate how a chain reaction may occur.
Nuclear Fuel Production Fissile Nuclei Uranium and Plutonium 235 U 239 Pu.
Reactors and Bombs Short Version. Reactor Components Moderator – Small A – Small probability of absorbing neutrons; Water Heavy water (deuterium) Graphite.
Nuclear Reactions Powering the Sun since 4.6 Billion B.C.
Fission and Fusion Nuclear Fission What happens in a nuclear chain reaction? –When the nuclei of certain isotopes are bombarded with neutrons, they undergo.
Nuclear Power. The fission chain reaction
A. Fission Fission - A heavy nucleus splits into 2 lighter nuclei Some elements undergo fission spontaneously Some elements can be induced to undergo.
The Hydrogen Bomb. The fusion process 2 H+ 3 H 4 He+n+Q ≡ 17.6 MeV Energy release Q=17.6 MeV In comparison 2 H+ 2 H 1 H+ 3 H +Q ≡ 4.0 MeV 2 H+ 2 H.
Nuclear Chemistry. Radioactive Decay Spontaneous breakdown of an atom’s nucleus Breakdown results in a lighter nucleus Emits electromagnetic radiation.
04 December 2015 Today’s Title: CW: nuclear power Learning Question: how does a nuclear reactor work? Starter – What two elements are usually involved.
Nuclear Fission and Fusion Richard Lasky – Summer 2010.
TITLE: Ionising Radiation Assignment Task 2a/b Objectives (We are learning that): Describe the different types of ionising radiation. (PASS) Describe the.
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Nuclear Fission & Fusion Objectives: Describe what happens in a nuclear chain reaction. Explain the use of water in the storage of spent fuel rods. Distinguish.
23.4 Nuclear energy Nuclear fission Nuclear fission: heavy nuclei split into two smaller parts in order to become more stable proton neutron U-235 nucleus.
Physical Science Chapter 18 Section 4. + Nuclear Fission Nuclear fission is the process of splitting a nucleus into several smaller nuclei Fission means.
Nuclear Chemistry. Outline Background/Introduction Spontaneous Nuclear Reactions -Types of Radioactive Decay -Radioactive Half-Life Stimulated Nuclear.
23.4 Nuclear energy NUCLEARNUCLEAR POWERPOWER Millstone Station.
Section 19.3 Using the Nucleus as a Source of Energy 1.To introduce fusion and fission as sources of energy 2.To learn about nuclear fission 3.To understand.
NUCLEAR FUSION & NUCLEAR FISSION Noadswood Science, 2012.
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MEASURING RADIATION Large doses of radiation are harmful to living tissue. Radiation can be measured with a Geiger counter – a device that measures radioactivity.
Miss Nelson SCIENCE ~ CHAPTER 12 ENERGY AND MATERIAL RESOURCES.
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