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TODAY IN HISTORY

    SOURCES OF ALL ENERGY
    September 1, 1881 - York, Sir, England

    In a Presidential Address to the British Association, at York, Sir William Thomson (Lord Kelvin) spoke On the Sources of Energy in Nature Available to Man for the Production of Mechanical Effect. He summarized the natural sources of energy as Tides, Food, Fuel, Wind, and Rain. All except the tides derive energy from the sun. “Heat radiated from the sun ... is the principal source of mechanical effect available to man.” He referred to tide mills, and the possibility of storing energy in batteries between tides, but nevertheless considered the economics impractical for wide application. Windpower he considered “decadent,” but acknowledged coal would become an exhausted resource, thus windmills should generate electrical power. Kelvin also outlined the economics of hydroelectricity.

    PASSENGER PIGEON
    September 1, 1914 - American, U.S.A.

    The Passenger Pigeon (Ectopistes migratorius) became extinct as the last surviving bird of the colorful native American species of dove died at the Cincinnati Zoo. The passenger pigeon was hunted to extinction; the fact that it traveled and nested in large flocks made it easy to slaughter. The adult male passenger pigeon had grey upper parts, the tips of the wings and the tail were black; its throat was a dark rust, while its breast was a lighter rust; its eyes were red. The adult female was of a duller color, with brownish upper parts and a lighter, brownish throat and breast; its eyes were black.

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Electric Cars for Kids What to Look for :

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Electric cars for kids aren't just fun and exciting to ride but also give the little ones a perfect opportunity to develop hand-eye coordination as they learn to steer, start, stop and accelerate their motorized vehicle. Most of the electric ride-on cars are made with realistic racing sounds and working headlights.

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Electric cars for kids aren't just fun and exciting to ride but also give the little ones a perfect opportunity to develop hand-eye coordination as they learn to steer, start, stop and accelerate their motorized vehicle. Most of the electric ride-on cars are made with realistic racing sounds and working headlights. Some of these toys are even able to reach speeds in the region of 5-mph, but still perfectly safe for kids aged 2 or 3 to ride.

Here are some of the main points to consider when shopping for a motorized ride-on car -

Style of Ride-on Toys - Firstly, the electric ride-on cars are either styled on cars seen in movies, such as the Lightning McQueen from the Cars 2 movie or replicas of real cars, such as the Jeep, Mustang and Ferrari, which are scaled to a miniature size for kids aged 1 to 7 years old. Ride-on cars are built with controls which are intended to be similar in style to the real thing and easy to use. These toys are solidly built, although as the body of the car is made of plastic, one or two good bumps into a wall or similar solid object could easily cause significant damage.

Motor Power - engine size for the different ride-on toys various from vehicle to vehicle, with the engines powered by either a 6 or 12-volt battery. Cars equipped with a 6-volt battery are often designed for the toddlers, aged 1 to 2 years old, and travel at speeds of up to 1.5-mph. While the 12-volt powered cars are more suited to kids aged 2 years plus, and run at speeds of 2 to 5-mph. Also, in relation to the power, it is important to consider the battery charge time, which should be able to last for at least a good 2 or 3-hours. You can however order a spare rechargeable battery to give extra playing time if required.

Dual Controls - many of the latest models of ride-on toys now offer a dual control option. Manual control is just for the kids to steer, accelerate, reverse, and stop and have complete control of the car in their hands. While a car with a remote control unit is perfect for the parent that wants to maintain some sort of control over the vehicle. If preferring to have parental control than buy one of the ride-on cars with manual / remote control.

Ride Surface - the chosen type of car is also dependent on the where the electric car is going to be used; some of the smaller versions are more practical for using inside the home, so perfect to offer complete security and safety for the youngsters. While a larger-sized ride-on car might be designed for outdoor use and runs freely on either hard-surfaces, such as concrete driveways or paths or soft surfaces, such as grass or even sand.



Source : EzineArticles

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  • Electric Cars for kids
    see more on the wide-range of fun and entertaining Electric Cars for Kids, including the cute and sporty Electric Barbie Car.

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