
Cybernetic tortoise, developed to help with studies on brain function
1950-1952
1950-1952
1952-3
1951
1830 (original); 1967 (model)
1950
1951
1950
1951
circa 1950
1950
1951
1950
1950
1951
1952
1952
1952
1952
1951
1955; 1830
1950
1951
1951
1951
1938 and 1951
2000-100 BCE
circa 1950
1950-1951
1950
1903 (original); 1982 (model)
1952
1839 (original); circa 1988 (replica)
1952
1952
1950
1952
1951
circa 1950
circa 1950
1950
1951
1951
1951
1990-96
1950
1951
1950
1950-1951
1950-1951
4000-2001 BCE