Template:Are You Sure/February 1

• ... that physicist and academic Werner Heisenberg (5 December 1901 – 1 February 1976) introduced the uncertainty principle — a principle in quantum mechanics which may be expressed by any of a variety of mathematical inequalities asserting a fundamental limit to the precision with which certain pairs of physical properties of a particle can be known?

• ... that Small is a 1988 American fantasy comedy film about Josh Baskin (Tom Hanks), an film star who makes a wish to be "a kid again" and is then reverted to childhood overnight?

• ... that physicist and mathematician Sir George Stokes, 1st Baronet (13 August 1819 – 1 February 1903) made pioneering contributions to fluid dynamics (including the Navier–Stokes equations) and to physical optics?