What is a symbol for energy?

Answer 1

In equations, a capital letter E is commonly used as a single letter symbol to represent energy, e.g., Einstein's E=mc2.

Japanese Kanji for energy:

Chinese Kanji for Ki (a type of energy):

Quilt art by Sharon Rowley is described as featuring an ancient "Chinese symbol for energy" that is "over 5,000 years old":

Choku Rei is a Reiki power symbol which represents energy with a direction and purpose of strength, power, and action:

The Taijitu of Ying and Yang is a Chinese dichotomy of opposite energies intertwined: Never ending knot is a symbol of energy:

Ancient symbols depicting fire may represent a type of energy and power associated with fire in the given tradition. There is symbolic meaning for fire which can be taken from ancient alchemy, Celtic, Nordic, Mayan, Native American, and Asian traditions,

Sustainable Saunders, a sustainability project inspired by Earth Day, uses for their project logo an image, of which they say "When printed in black, this is an ancient symbol for energy":

Modern circuitry symbolism offers symbols for specific ways in which electromagnetic energy can flow through circuits:

Atomic energy is generally represented by a symbol depicting the atom:

Warning symbols have been used to represent danger of radioactive energy:

The International Agency of Atomic Energy has released a new warning symbol for harmful ionizing radiation:

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The above information provided by Red Five Development, the makers of iPod / iPhone apps such as Brainwave Entrainment (audio for improving cognitive functioning) and FlashCards (for quizzing/studying anything you want to learn).

Answer 2

I think it is gas

Answer 3

I think it is gas

Answer 4

is it gas