I am used almost daily by men and women when putting on jeans and pants, women with dresses, and all when putting on coats and jackets.
What am I?
What is a zipper?
I not only proved essential in helping to win World War II, but I also influenced the invention that forever changed the way Americans prepared and consumed food.
What am I?
What is a microwave?
I was developed in WWI to protect soldiers from the effects of chloride gas. I was later adapted for horses, as well, to use during the war.
What am I?
What is a gas mask?
I was not developed until WWII. From World War II to today, I remain a critical form of treatment used to ward off bacterial infection.
What am I?
What is Penicillin?
I played a significant military role for the first time during the First World War. I am also known as a U-boat.
What am I?
What is a submarine?
The U.S. approved me for military use in 1945 and for civilian use in 1946. Many of you get one every year, and even though I might "stick" a little, I am given to prevent you from getting 'influenza'.
What am I?
What is the Flu Vaccine?
I am used when making a drink. Before WWI, people used leaves to make me with hot water. During WWI the idea was to put these leaves in a bag in hot water.
What am I?
What is tea?
I helped the Allied forces detect enemy ships and planes. Later, I was proven to have many non-military uses, including guiding civilian air crafts and detecting major weather events like hurricanes.
What am I?
What is radar?
During WWI, when there was a shortage of coal, the Germans decided that clocks should be moved forward an hour to give them more daylight to save coal. Although the idea for this had already developed, this is when it started.
What am I?
What is daylight savings time?
I am a high-calorie emergency ration that comes in the form of a fortified chocolate bar, for example. A three-portion package of these bars would provide a soldier with 1,800 calories of energy.
What am I?
What is a D ration?