<span>At Cornell university, Gibson and walk placed infants on the edge of a safe canyon to determine whether crawling infants and newborn animals can perceive depth. this famous experiment is known as the visual cliff. The </span>psychologists Eleanor J. Gibson and Richard D created apparatus <span>to investigate depth perception.</span>
During Jan-June because its the dry season before hurricane season and can be very hot. (I lived in florida)
Any vehicle under the weight of 26001 pounds can be legally drove without a Comercial Driver's License (CDL)! Hope I helped!