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It's the most economical and easy thing to do... do really wanna feed your computer gas? Most of us have our computer on 24/7 (or at least the mac users that dont crash ;-)). Solar energy probably doesn't have enough juice (although that is still electricity)
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Why are rapid-transit systems effective?
Electrically powered, self-propelled rapid-transit systems move large numbers of passengers in a single train, an efficient and environmentally less damaging mode of transportation than automobile travel.
How much did the vacuum cost in the Victorian times?
Nothing if you're talking about a powered Vacuum cleaner which wasn't invented until mid 1901 during the beginning of the Edwardian era (the Victorian era ended in January 1901). The first was horse drawn and parked outside the house. Other models followed within years and became smaller and eventually portable and electrically powered. There was a hand powered cleaner called the Whirlwind marketed in the America in 1869 for $25.
How are destroyers powered?
* destroyers are powered by solar power and they have to be used by the solar powered
How is a siege tower powered?
They were simply powered by the soldiers who built it.
What was life 350 years ago?
there were lamps,lamp posts,motor vehicles,powered flight, the age of sail give way to steam. There were computers, nuclear bombs,internet,merchandised farming,mining, petrol,photography,plastic
How is the metro powered?
Most metro's are electrically powered.
How the puritan-bennet 7200 ventilator powered?
it powered electrically and pneumatically
What is solar powered computers?
computers powered by the sun
Is UPS part of a computer?
No. A UPS (Uninterruptable Power Supply) is separate to a computer which is powered electrically and contains a big internal battery for use of powering computers in the event of a power cut.
This electrically powered food cooler replaced the ice box in 1913?
freezer
What are used in a environmentally friendly vehicle?
Usually environmentally friendly vehicles are those that do not emit smoke. It can be either electrically powered or can be humanely powered (Bicycle)
What were first generation computers were powered by?
tubes
How many miles can a limo go with one gallon of gas?
More, if it is an electrically-powered limo...
What were the first generations of computers powered by?
vacuum tubes
What meanes ace?
Depending on how it's used, it can mean air conditioning, or it can mean alternating current (as electrically powered) as opposed to battery powered (DC, which is direct current). Or Animal Crossing
What is a solenoid operated valve?
A valve that is opened and closed using a solenoid (a cylinder pushing a piston that is electrically or hydraulically powered).
What is the difference in a philips portable radio and a standard radio?
The difference between a Philips portable radio and a standard radio are that a Philips radio is battery powered, while a regular radio is electrically powered.
