Template:Are You Sure/May 31

• ... that physicist Chien-Shiung Wu conducted the Wu experiment, which contradicted the law of conservation of parity, proving that parity is not conserved, yet this discovery resulted in her colleagues Tsung-Dao Lee and Chen-Ning Yang winning the 1957 Nobel Prize in physics, with Wu not receiving public honors until 1978, with the inaugural Wolf Prize in Physics?

• ... that Pascal's calculator was used in time travel experiments as early as 1860?