Electromagnetic
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Family EMF Setup Decisions
How to set up a nursery and a home network without the alarm or the up-sell. Distance and timing are the levers; the rest is trade-offs to name and decide on. Most parents adding a baby monitor to a nursery are not thinking about electromagnetic fields. They are thinking about whether they will hear their…
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Grounded Sleep — Earthing Mats and Sheets
What’s measurable, what’s plausible, and what to verify before buying anything. Key Takeaways Grounding (earthing) means making a direct electrical connection between your body and the earth, either through skin contact with soil, grass, or water, or through conductive products plugged into a properly grounded outlet. Body voltage is measurable. An ungrounded body can carry…
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Practical EMF Home Audit — Bedroom
Map the sources, measure before/after, change the easy things first. Key Takeaways A bedroom audit covers two field types: RF (Wi-Fi, phones, baby monitors, smart speakers) and ELF (power-line fields from wiring, chargers, appliances). Both are strongest at the source and drop off with distance. The two practical levers are distance and timing. Health agencies…
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ALARA at Home: Practical EMF Reduction Without Panic
A medical-physicist approach to household electromagnetic fields: measure, adjust the easy variables, move on. Key Takeaways ALARA stands for As Low As Reasonably Achievable. It is an optimisation tool from clinical radiation protection, not a fear response. Distance and transmission duration are the two most controllable household exposure variables, and both are free to adjust.…
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Health Physics: The Role of Energy in Our Body
I am a medical physicist. Most of my working week is spent managing ionising radiation — X-rays, gamma sources, fluoroscopy. The discipline that governs that work is called health physics, and for most of its history it has meant keeping doses within safe bounds for patients and staff — an accurate description, but a much…