Dominoes topple, marbles roll, and everyday objects transform into extraordinary chain reactions under the guidance of award-winning children's author Catherine Thimmesh, who brings the captivating ...
Zach Umperovitch (in hat) adjusts the PSPE/SHPE machine at the local Rube Goldberg competition Saturday at Purdue. The team won the competition and will compete in the national contest March 31. Also ...
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