An apparatus for generating microgravity, comprising: a first rotating body configured to rotate around a first shaft through the actuation of first actuation means, a means for housing a sample, wherein the means is circumscribed in the first rotating body and connected to the first rotating body, a second rotating body configured to rotate around a second shaft through the actuation of second actuation means, wherein the first rotating body is disposed in the interior of a volume delimited by the second rotating body when it rotates around said second shaft and connected to the second rotating body, wherein the apparatus further comprises: a third rotating body configured to rotate around a third shaft through the actuation of third actuation means (21, 22), wherein the rotating body is disposed in the interior of a volume delimited by the third rotating body when it rotates around the third shaft and connected to the third rotating body, wherein said first, second and third (21, 22) actuation means are independent from each other, the rotation of each shaft (12a, 11a, 10a) being independent from the rotation of the other shafts, wherein the rotation of said rotating bodies (10, 11, 12) generates a level of simulated microgravity in said means for housing a sample, processing means configured to control the rotation of each of said shafts (12a, 11a, 10a) through the application, in each of said shafts (12a, 11a, 10a), of a pseudo-random value of rotation speed that varies between a minimum value v min_i and a maximum value v max_i previously established for each shaft i, during a pseudo-random time that varies between a minimum value t min_i and a maximum value t max _ i previously established for each shaft i, achieving an instability effect to prevent the sample housed in said means from adapting to the simulated microgravity generated by the apparatus. a first rotating body configured to rotate around a first shaft through the actuation of first actuation means, a means for housing a sample, wherein the means is circumscribed in the first rotating body and connected to the first rotating body, a second rotating body configured to rotate around a second shaft through the actuation of second actuation means, wherein the first rotating body is disposed in the interior of a volume delimited by the second rotating body when it rotates around said second shaft and connected to the second rotating body, wherein the apparatus further comprises: a third rotating body configured to rotate around a third shaft through the actuation of third actuation means (21, 22), wherein the rotating body is disposed in the interior of a volume delimited by the third rotating body when it rotates around the third shaft and connected to the third rotating body, wherein said first, second and third (21, 22) actuation means are independent from each other, the rotation of each shaft (12a, 11a, 10a) being independent from the rotation of the other shafts, wherein the rotation of said rotating bodies (10, 11, 12) generates a level of simulated microgravity in said means for housing a sample, processing means configured to control the rotation of each of said shafts (12a, 11a, 10a) through the application, in each of said shafts (12a, 11a, 10a), of a pseudo-random value of rotation speed that varies between a minimum value v min_i and a maximum value v max_i previously established for each shaft i, during a pseudo-random time that varies between a minimum value t min_i and a maximum value t max _ i previously established for each shaft i, achieving an instability effect to prevent the sample housed in said means from adapting to the simulated microgravity generated by the apparatus. a third rotating body configured to rotate around a third shaft through the actuation of third actuation means (21, 22), wherein the rotating body is disposed in the interior of a volume delimited by the third rotating body when it rotates around the third shaft and connected to the third rotating body, wherein said first, second and third (21, 22) actuation means are independent from each other, the rotation of each shaft (12a, 11a, 10a) being independent from the rotation of the other shafts, wherein the rotation of said rotating bodies (10, 11, 12) generates a level of simulated microgravity in said means for housing a sample, processing means configured to control the rotation of each of said shafts (12a, 11a, 10a) through the application, in each of said shafts (12a, 11a, 10a), of a pseudo-random value of rotation speed that varies between a minimum value v min_i and a maximum value v max_i previously established for each shaft i, during a pseudo-random time that varies between a minimum value t min_i and a maximum value t max _ i previously established for each shaft i, achieving an instability effect to prevent the sample housed in said means from adapting to the simulated microgravity generated by the apparatus.