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Kids:Toys and Games:All Toys:Plasma Ball

Plasma Ball

$49.00

Price: $49.00

Item# :2002222

Qty: Available, ready to ship.





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Control lightning with this desktop plasma ball. A small Tesla coil generates a large electrical potential difference, which tries to even itself out by discharging—in the same way that a cloud discharges lightning. Watch the plasma streams move toward your uncharged finger as you touch the ball, or make them respond to sound and music.


For ages 12 and up. 7" diameter x 11 1/2"H.


Electrical engineer Nikola Tesla invented the plasma globe when he was studying high-voltage phenomena in the late 19th century. The device is simple: a glass globe with an electrode inside. The ball is filled with inert gases—often neon and argon—at slightly below atmospheric pressure.


When you apply voltage to the electrode by turning the plasma globe on, it creates an alternating current that creates an electromagnetic field inside the ball. The first current sets the electrons in motion; the second current changes their path, which results in the colorful ribbons of light that dance up the sides of the globe.


The color (usually pinkish-purple) is a result of the gases. The high voltage that’s created inside the globe causes electrons to break free of the electrode in the center. As these electrodes break away, they accelerate, gaining energy and giving an electrical charge to the gas—ionizing it. As the electrons continue to pass through the gas, the excited gas particles have to find a way to give off some of the energy they’re gaining. They do this in the form of photons, or light. Different gases give off different colored light. Neon is red with pinkish-orange “fingers” at the ends, and argon is purple.


When you place your finger on the globe, it acts as a conductor of electricity, changing the electromagnetic field and attracting the plasma. Just don’t leave your finger in one spot for too long. All that electric charge builds up and can begin to warm the glass.


REVIEW SNAPSHOT®

by PowerReviews
Plasma Ball
 
4.6

(based on 5 reviews)

Ratings Distribution

  • 5 Stars

     

    (3)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

No Pros

Cons

No Cons

Best Uses

No Best Uses
    • Was this a gift?:
    • Yes (4)

Reviewed by 5 customers

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Displaying reviews 1-5

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5.0

Great product!

By Happy shopper

from Cypress TX

Verified Buyer

Pros

  • Well made

Cons

    Best Uses

    • Lovely Room Mood-accent

    Comments about Plasma Ball:

    Bought for 10 year old niece. She loved doing safe,but fun experiments with it.

    • Was this a gift?:
    • Yes
     
    5.0

    Great Plasma Ball

    By EGR

    from Houston, Tx

    Verified Buyer

    Pros

      Cons

        Best Uses

          Comments about Plasma Ball:

          We saw a couple of these at the store but ordered this one on-line and are very happy with it.

          • Was this a gift?:
          • No
           
          4.0

          big hit

          By gramps

          from baton rouge

          Verified Buyer

          Pros

            Cons

              Best Uses

                Comments about Plasma Ball:

                big hit

                • Was this a gift?:
                • Yes

                (0 of 1 customers found this review helpful)

                 
                5.0

                I love grandma! My friend has one too."

                By Betty the shopper

                from southfield, MI

                Verified Buyer

                Pros

                  Cons

                    Best Uses

                      Comments about Plasma Ball:

                      the expression on my granduaghter's face was priceless

                      • Was this a gift?:
                      • Yes

                      (6 of 8 customers found this review helpful)

                       
                      4.0

                      plasma ball

                      By skyper finding good gifts

                      from Williamsburg, Va

                      Verified Buyer

                      Pros

                        Cons

                        • Did Not Work First Order

                        Best Uses

                          Comments about Plasma Ball:

                          I bought two for my nephews, one did not work on arrival, but customer service sent a new one, which was awesome!

                          • Was this a gift?:
                          • Yes

                          Displaying reviews 1-5

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