One of the most common questions from new members is: what can I actually test myself, without expensive gear? This guide rounds up the three most accessible home experiments members have shared over the past year, along with the equipment list, step-by-step setup, and — just as importantly — the known sources of error in each method.
We also cover how to document your results so they’re useful to the wider community: consistent units, timestamps, weather conditions, and raw photos rather than just conclusions.
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