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200 years
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How long have people been using simple machines?
people have been using it forever
How simple machines were made a long time ago?
Get a life and do your homework little 2 year old that eats pie
How long have robots been around?
Since about the late 1900 (circa 1950)
How long has rubber bands been around?
It was originally patented England-1845.
Will a motor powering a altenater feeding a battery feeding an inverter power itself?
Nope. Nice try though. Folks have been trying to do this as long as there have been machines. Do a Google search for 'perpetual motion machine' and you'll see what I mean.
How long have people been using simple machines?
people have been using it forever
How is a slant related to a wedge?
The screw is one of the so-called "simple machines" from which many more complex machines are derived. A screw is essentially a long inclinewrapped around a shaft, so its mechanical advantage can be approached in the same way as the incline.
How long has the drum been around?
Drums have been around probably since the time of early man. It is such a simple instrument. Another early human instrument is the bone-flute.
How long has gardening been around?
Gardening has been around since early man, when the neanderthals(and even earlier forms of man) grew simple crops to get by in their small villages.
How long have poky machines been around for?
Do you mean "Pokie Machine" (Australian/ New Zealand slang for slot machine)? If so, then they were invented 1887.
How long has deforestaion been around?
how long has deforestation been around
How long has guns been around?
As long as guns have been around.
What animals in dopamine found in?
Domapine has been found in most animals that have been studied. It is a rather small and simple molecule and it has been around for a very long time. Even bacteria have it.
How simple machines were made a long time ago?
Get a life and do your homework little 2 year old that eats pie
What is the simple subject in the sentence Long ago it might have been beautiful?
The simple subject is "it."
How long has the London eye been around for?
how long has the london eye been around for
How long has Mackenzie Falls been around?
As long as So Random has been around.
