The future and the past

life 100 years from now and 100 years ago

de Robert Gardner

Examines social changes in the areas of family life, education, housing, work, fashion, communication, and health over the past 100 years and offers predictions for the future.

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EElectricity and magnetism science fair projects, rev. and ex

Electricity and magnetism science fair projects, rev. and expanded using the scientific method

Energy

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