-
1950 BCE
Mid-20th Century to Late 20th Century
-
1945 BCE
Microwave Ovens
Percy Spencer and Robert N. Hall mad the Microwave Ovens.
it was mad to cook food. -
1933 BCE
Freeze-Drying
it is when you freeze so it can last longer.
it was made during world war 2
it was significant to save food -
Artificial Flavors and Additives
Nicholas-Theodore Gobley mad it
in need of an alternative to keep up with demand -
Biotechnology
principally associated with food
Karl Ereky made it