specific gravity (noun)

1. Why don't scientists trust atoms? Because they make up everything, including specific gravity!

2. In the future, humans will be able to control their specific gravity, allowing them to fly effortlessly.

3. The character in the movie possessed an extraordinary ability to manipulate specific gravity, making them invincible in battles.

4. In the eerie laboratory, the scientist's experiment with altering specific gravity went horribly wrong, resulting in catastrophic consequences.