One of the most epic engineering feats in history - Alex Gendler

Important Vocabulary Words From The Video


When someone is dwarfed, they are small and insignificant in comparison to other people. This can be a result of a number of things, like being shorter or having less muscle mass.

  • He was dwarfed by the giant elephant in the zoo.
  • She was dwarfed by the giant building in the city.

A caisson is a large, military-style train. It is usually used to move heavy equipment or troops.

  • The caisson was too large to fit through the small opening.
  • The caisson was too heavy to be moved by the horses.

A caisson is a type of boat that is used for carrying soldiers or supplies. It has a long, narrow body and a large deck.

  • The caisson was carrying the wounded soldiers to the hospital.
  • The caisson is used to move heavy objects.

An airtight seal is a seal that is very tight, so that no air can get in or out. This is important for things like containers and boxes, because it prevents things from spoiling.

  • The jar was airtight, which is why the food didn't spoil.
  • The seal on the container was airtight, which is why the food was safe to eat.

To excavate is to dig down into the ground. Sometimes you excavate for the purpose of finding something valuable, like treasure. Other times you excavate for the purpose of building something new, like a road.

  • The construction company is excavating a new road.
  • The archaeological team is excavating the site of an ancient city.

An ailment is a disease or a health problem. Some common ailments are colds, flu, and the common cold.

  • The child has a cold, and is feeling sick.
  • The flu is a serious illness that can cause a lot of pain and discomfort.

The word "unexplainable" can be used to describe something that is difficult to understand or explain. Sometimes people use the word to describe things that are too strange or mysterious to be explained.

  • The unexplainable events are making the investigation difficult.
  • The unexplainable noise was making it difficult to sleep.

When someone is bedridden, they are confined to a bed or wheelchair because they are too ill to walk. This can often mean that they are unable to do anything else except be sick.

  • He is bedridden because of a serious illness.
  • She is bedridden because she broke her leg.

Indomitable means that someone is incapable of being defeated. They are strong and determined, and they will never give up.

  • The team was indomitable and refused to give up.
  • The soldier was indomitable and fought until the end.