The science pros at TKOR create a DIY PVC pump to help save money on repairs. Béla Fleck on dropping his Kennedy Center shows ...

A homemade long bow built from PVC pipe promises surprising power for less than ten dollars. The video follows the ...

The concept of building your own hydroelectric generator seems simple at face value: use gravity to impart as much force as ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Katharine Beer is a writer, editor, and archivist based in New York. She has a broad range ...

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