By Leonam dos Santos Guimarães* RIO DE JANEIRO | 25 April 2025 (IDN) — The establishment of the AUKUS trilateral security partnership between Australia, the United Kingdom, and the United States in 2021 constitutes a profound reconfiguration of the strategic landscape in the South China Sea and the broader Indo-Pacific region. Aimed at enhancing Australia’s […]
By Leonam dos Santos Guimarães* RIO DE JANEIRO | 24 April 2025 (IDN) — Since 2020, the international nuclear non-proliferation and nuclear test ban regime has encountered unprecedented and systemic challenges. The resurgence of geopolitical rivalries, the modernization and expansion of nuclear arsenals, and the erosion of long-standing arms control commitments have brought nuclear weapons […]
By Ramesh Jaura* BERLIN | 17 July 2024 (IDN) — We are deeply saddened to learn of the passing of Ambassador Sérgio Duarte, former United Nations High Representative for Disarmament Affairs, President of Pugwash Conferences on Science and World Affairs, and a friend and supporter of IDN. I met him first at the 25th UN […]
By Leonam dos Santos Guimarães* RIO DE JANEIRO | 29 May 2024 (IDN) — On 18 May 1974, India carried out its first nuclear explosion, called “Smiling Buddha”, in the Pokhran desert. That explosion was described by the Indian government as a “peaceful nuclear explosion.” India justified the explosion as a display of its technological […]
By Leonam dos Santos Guimarães* RIO DE JANEIRO | 12 April 2024 (IDN) — Drone attacks on the Zaporizhzhia nuclear power plant, whether carried out by Ukraine or Russia, introduce a new and dangerous dimension to the conflict between the two largest former Soviet Socialist Republics, with possible far-reaching ramifications, not just for the region […]
By Leonam dos Santos Guimarâes* RIO DE JANEIRO | 31 March 2024 (IDN)—The wars in Ukraine and Gaza can be seen as manifestations of intensified geopolitical tensions that resemble the Cold War period, although the contexts and circumstances are different. During the Cold War, the world was divided into two main blocs, led by the […]
By Leonam dos Santos Guimarâes* RIO DE JANEIRO | 14 February 2024 (IDN) — The topic of applying safeguards to nuclear submarine fuel, focusing on ensuring security and proliferation resistance, involves a complex interplay of international regulations, agreements, and technical considerations. A pivotal aspect of this discussion centres on the application of International Atomic Energy […]
By Leonam dos Santos Guimarâes *The writer is a nuclear and naval engineer (Ph.D.) and a member of the Brazilian National Academy of Engineering. CEO of Eletronuclear S.A. Coordinator, Brazilian Navy Nuclear Propulsion Program. RIO DE JANEIRO | 17 December 2023 (IDN) — The new generation of small modular reactors (SMR) is expected to provide […]
70th Anniversary of President Eisenhower’s Speech on “Atoms for Peace” By Leonam dos Santos Guimarâes *The writer is a Nuclear and naval engineer (PhD) member of the Brazilian National Academy of Engineering. CEO of Eletronuclear S.A. Coordinator, Brazilian Navy Nuclear Propulsion Program. RIO DE JANEIRO | 23 October 2023 (IDN) — On 8 December 1953, […]
By Leonam dos Santos Guimarães Capt. (ret.) Brazilian Navy* Climate change and a third world war are the two main threats looming over humanity today. Nuclear energy is closely linked to these two threats in a paradoxical way: in the first as a solution and in the second as a problem, says the writer. RIO […]
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