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    SOVIET UNION WORLD'S LARGEST NUCLEAR BOMB
    October 30, 1961 - Soviet Union

    The Soviet Union has exploded the world's biggest bomb so far nearly 4,000 times more powerful than the atomic bomb dropped on Hiroshima in 1945. This is the latest in a series of larger and larger bombs the Soviets have been exploding over the last few years. The United Nations is appealing to both the US and the Soviet Union to end the arms race or risk destroying the planet.

    ANGIOGRAM
    October 30, 1958 - Cleveland Clinic, U.S.A.

    The first coronary angiogram was performed, unintentinally, by Dr. F. Mason Sones, Jr. (1919-1985), a pediatric cardiologist at the Cleveland Clinic. This diagnostic x-ray procedure uses dye injected to visualize blockages of the small nutrient arteries of the heart. Earlier studies on dog showed use of the the dye in coronary arteries caused heart fibrillation, so it was never tried on humans. While intending to dye a patient's diseased vessels by injecting dye only near their openings, on this occasion, the catheter insertion had inadvertently strayed into the patient's coronary artery, and about 30 cc of the dye went into the artery. Fortunately, expected heart fibrillation (requiring the opening of the patient's chest to treat) did not occur. Hence the dye could in fact be used safely, especially if in lower amounts.

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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
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