STEM Science – Slippery bottle solves ketchup problem
STEM Science for the budding young scientist: The age-old problem: How do you get that last annoying drop of ketchup out of the bottle? Some of us swing the bottle vigorously in an arc, some pummel it, others simply break it. Many just give up and throw the partly-empty bottle out. But scientists at MIT (Massachusetts Institute of Technology in Boston, USA) have developed a special coating that makes the …
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