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Building an easy pocket-sized slingshot at home

The science pros at TKOR build a pocket slingshot to show compact launching tools. Trump blowing up South Pars gas field could have catastrophic consequences Republicans balk at going it alone on Iran ...
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Building a homemade slingshot crossbow using household materials

The science pros at TKOR build a crossbow slingshot to demonstrate elastic energy. Woman, 32, dies after falling from fifth floor of building in Hyderabad Relive Your Childhood: Top 10 Cartoon Network ...