"Heat can also be produced by the impact of imperfectly elastic bodies as well as by friction. This is the case, for instance, when we produce fire by striking flint against steel, or when an iron bar is worked for some time by powerful blows of the hammer."

Time, Fire

13

Create Your Own Wallpaper

Standard

Customized

"Heat can also be produced by the impact of imperfectly elastic bodies as well as by friction. This is the case, for instance, when we produce fire by striking flint against steel, or when an iron bar is worked for some time by powerful blows of the hammer."

Exlpore more Time quotes

"We cannot measure time. We can only measure changes of life and the universe."

Debasish Mridha, American Author

Time, Life, Measurement, Change

"I wouldn't ask too much of her,' I ventured. 'You can't change the past.''Can't change the past?' he cried incredulously. 'Why of course you can!"

F. Scott Fitzgerald, American Author

Time, Past, Change, Possibility, Hope

"Life is a bubble in the ocean of time. At the same time, it can hold all the water of the ocean in her heart."

Debasish Mridha, American Author

Time, Life, Bubble, Ocean

"A broad margin of leisure is as beautiful in a man's life as in a book. Haste makes waste, no less in life than in housekeeping. Keep the time, observe the hours of the universe, not of the cars."

Henry David Thoreau, American Author

Time, Life, Haste, Housekeeping

"God had infinite time to give us.... He cut it up into a near succession of new mornings and with each therefore a new idea new inventions and new applications."

Ralph Waldo Emerson, American Poet

Time, God, Idea, Invention

"Time is the greatest and longest-established spinner of all. ... His factory is a secret place his work noiseless and his hands are mutes."

Charles Dickens, English Novelist

Time, Work, Process, Patience

"Eternity is a mere moment, just long enough for a joke."

Hermann Hesse, German Novelist

Time, Eternity

"The value of time is immeasurable."

Lailah Gifty Akita, Ghanaian Author

Time, Immeasurable, Worth, Life

"Sometimes I feel like if you just watch things, just sit still and let the world exist in front of you - sometimes I swear that just for a second time freezes and the world pauses in its tilt. Just for a second. And if you somehow found a way to live in that second, then you would live forever."

Lauren Oliver, American Author

Time, Moment, World, Stillness

"Worrying about what happened on Monday, or, what might happen on Wednesday, is at the expense of one's Tuesday."

Mokokoma Mokhonoana, South African Philosopher

Time, Today, Truth, Wisdom, Inspirational

Explore more quotes by Hermann von Helmholtz

"The law in question asserts, that the quantity of force which can be brought into action in the whole of Nature is unchangeable, and can neither be increased nor diminished."

Nature, Action, Force, Law

"I then endeavoured to show that it is more especially in the thorough conformity with law which natural phenomena and natural products exhibit, and in the comparative ease with which laws can be stated, that this difference exists."

Conformity, Difference, Law, Laws

"Not that I wish by any means to deny, that the mental life of individuals and peoples is also in conformity with law, as is the object of philosophical, philological, historical, moral, and social sciences to establish."

Life, Conformity, Law

"A raised weight can produce work, but in doing so it must necessarily sink from its height, and, when it has fallen as deep as it can fall, its gravity remains as before, but it can no longer do work."

Work, Deep, Gravity, Weight

"But heat can also be produced by the friction of liquids, in which there could be no question of changes in structure, or of the liberation of latent heat."

Question,

"Windmills, which are used in the great plains of Holland and North Germany to supply the want of falling water, afford another instance of the action of velocity. The sails are driven by air in motion - by wind."

Action, Germany, Want, Water

"Heat can also be produced by the impact of imperfectly elastic bodies as well as by friction. This is the case, for instance, when we produce fire by striking flint against steel, or when an iron bar is worked for some time by powerful blows of the hammer."

Time, Fire

"Each individual fact, taken by itself, can indeed arouse our curiosity or our astonishment, or be useful to us in its practical applications."

Curiosity, Fact

"What appeared to the earlier physicists to be the constant quantity of heat is nothing more than the whole motive power of the motion of heat, which remains constant so long as it is not transformed into other forms of work, or results afresh from them."

Power, Work, Motive, Nothing

"The older view of the nature of heat was that it is a substance, very fine and imponderable indeed, but indestructible, and unchangeable in quantity, which is an essential fundamental property of all matter."

Nature, Property, Quantity