> The concept they tested is similar to Galileo’s apocryphal experiment, in which he dropped two objects of the same mass off the Leaning Tower of Pisa and foun

> The concept they tested is similar to Galileo’s apocryphal experiment, in which he dropped two objects of the same mass off the Leaning Tower of Pisa and found that they fell at the same acceleration regardless of their composition. Typo. Should say of different masses.