“A fter the former Soviet Union conducted its first nuclear test in August 1949, the US reevaluated its postwar defense policies. With the US monopoly on atomic weapons broken, military and political leaders chose to diversify the American stockpile by developing thermonuclear and tactical nuclear weapons. One of the more interesting concepts to come out of this period was atomic artillery, which was successfully tested at the Nevada Proving Grounds (now the Nevada Test Site) in May 1953”. – Alan Carr. Photo: Atomic Annie at work during the Upshot-Knothole test series, 1953. (Photo by Los Alamos National Laboratory/US Army)

Natalia Lage Rainha de Drums of the Escola de Samba Inocente de Belford Roxo during a presentation in the parade of the Special Group of Carnival in Rio de Janeiro at Avenida Marques de Sapucai, Sambadrome in Rio de Janeiro on April 21, 2021. The Carnival parades that take place in February were postponed to this month of April due to the high number of cases caused during the pandemic caused by COVID-19 (Coronavirus). (Photo by Thiago Ribeiro/AGIF via AFP Photo)

Revellers are sprayed by a water cannon during a street party called “Bloco Das Barbas” in Rio de Janeiro, Brazil on February 18, 2023. Hundreds of street parties traditionally take place every year in the city before and during Rio de Janeiro's carnival. (Photo by Carl de Souza/AFP Photo)

Queen of drums, Sabrina Sato of Unidos de Vila Isabel samba school during the Champions Parade on the last day of Rio de Janeiro 2022 Carnival at Marques de Sapucai Sambadrome on May 01, 2022 in Rio de Janeiro, Brazil. Rio de Janeiro's iconic carnival returns to the sambodrome after a two year suspension and postponements due to the coronavirus pandemic. (Photo by Wagner Meier/Getty Images)

A woman visits the mirror installation “Mar de Espelhos” (Sea of Mirrors) ahead of its opening in Rio de Janeiro, Brazil on June 13, 2023. (Photo by Ricardo Moraes/Reuters)

A woman dances during a rehearsal by the group “Tambores de Olokun” in Rio de Janeiro, Brazil, Sunday, April 17, 2022. The Brazilian municipalities of Rio de Janeiro and Sao Paulo postponed the traditional parades of the carnival samba schools to April 22 - 23, as a result of the COVID-19 pandemic. (Photo by Bruna Prado/AP Photo)

A member of Viradouro samba school performs during the first night of Rio's Carnival parade at the Sambadrome Marques de Sapucai in Rio de Janeiro, Brazil on April 22, 2022. (Photo by Carl de Souza/AFP Photo)

Reflection in a mirror of a general view of the peloton competing prior to the 112th Tour de France 2025, Stage 10 a 165.3km stage from Ennezat to Le Mont-Dore Puy de Sancy (Super Sancy) 1318m / #UCIWT / on July 14, 2025 in Ennezat, France. (Photo by Tim de Waele/Getty Images)