Unanswered questions in Iran deal

The UN’s International Atomic Energy Agency (IAEA) wants to visit Iran’s military site at Parchin and interview Iranian nuclear scientists to gauge the possible military dimensions of its nuclear programme
-----------------------------------------------------------------------------
SYRIA

IRAQ

Karaj: Uranium enrichment

Arak: Heavy water reactor

Isfahan: Four research reactors. Conversion of yellowcake to uranium

KUWAIT

SAUDI ARABIA

Bonab

Ramsar

Caspian Sea

Tehran: Main research centre

Fordow: Uranium enrichment

Parchin

Natanz: Main enrichment plant

Anarak: Nuclear waste

Saghand

Ardakan: Yellowcake production plant

Bushehr nuclear power plant

Gachin

IRAN

PAKISTAN

TURKMENISTAN

AFGHANISTAN

200km 120 miles

The Gulf

Key facilities

Nuclear site

Research reactor

Military site

Uranium mining

Parchin: IAEA inspectors believe Iran has deeply researched topics integral to ​a​tom-bomb development, specifically

Parts of a fission bomb High-explosive

Core Metal case 1 2 3
----------------------------------------------------------------------
1 Uranium core: Documents detail how to produce hemispherical enriched uranium metallic bomb components

2 Explosive lenses: Use sphere of detonators to synchronize shock waves from high-explosives, to
compress core to supercritical mass 

3 Neutron initiator technology: Initiator produces burst of neutrons needed to start chain reaction

Explosives chamber: Used to assess how materials react under high pressure of nuclear blast
----------------------------------------------------------------------
Sources: IAEA, NTI, World Nuclear Association, New York Times

words 200