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My prototype is an inflatable ball. The ball is made out of duct tape
and there is a balloon inside that inflates it. The balloon is tied
off with a rubber band to keep the air inside. Then I can take off the
rubber band to deflate it and make it smaller. I'm proud that I was
able to keep the shape of the ball, I had to cut it in half to get the
ball from the inside out so I wasn't sure if it would keep its shape.
But it doesn't bounce well :(
The Bartington Grad601-2 gradiometer detects tiny variations in the Earth’s magnetic field to reveal the location of buried archaeology; features such as ditches and pits normally appear as positive (dark) magnetic anomalies.
Floral arrangement designed by Garden Party Flowers Vancouver www.gardenpartyflowers.ca