EMF Research & Guides

Science-backed articles about EMF exposure, safe distances from cell towers and power lines, and practical ways to reduce your exposure at home.

September 09, 2026 · 11 min read

Robot Vacuum Radiation: The Lidar, the WiFi, and the Dock

The spinning turret on a robot vacuum is an eye-safe laser, not a radio. The WiFi is the real emitter — and it spends most of the day parked on the dock.

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September 08, 2026 · 10 min read

Mesh WiFi EMF: Does Adding Nodes Increase Your Exposure?

Mesh WiFi puts three transmitters in a house that had one — but moves them closer to your devices. What that trades, and how to place nodes well.

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September 07, 2026 · 11 min read

5G Home Internet Radiation: What the Gateway Really Emits

5G home internet gateways can transmit harder than a phone. What T-Mobile and Verizon gateways emit, the 20 cm rule in the manual, and where to put yours.

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September 06, 2026 · 11 min read

Alexa Radiation: Smart Speaker EMF from Echo, Nest, and HomePod

Do Echo, Google Home, and HomePod emit radiation? What smart speakers transmit at idle, why mic-off isn't radio-off, and where to put them.

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September 05, 2026 · 11 min read

Kids Smartwatch Radiation: Gabb, Gizmo, and Apple Watch Compared

Gabb, Gizmo, Fitbit Ace LTE, and Apple Watch for kids all use cellular radios. What that means for EMF exposure — and a calm decision framework for parents.

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September 04, 2026 · 11 min read

Home EMF Audit Room by Room: Find Every Source in an Afternoon

A room-by-room home EMF audit you can run in one afternoon — bedroom, nursery, office, kitchen, and living room, with a checklist for each.

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September 03, 2026 · 12 min read

Best Faraday Bed Canopies 2026: Materials, Claims, and Sizing

Best faraday bed canopies compared — fabric types, what vendor dB claims really mean, how to verify shielding with a meter, plus sizing and care.

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September 02, 2026 · 11 min read

Hatch Rest EMF: WiFi, Offline Mode, and Radio-Free Alternatives

The Hatch Rest runs on 2.4 GHz WiFi and Bluetooth. What that means for nursery EMF, how offline mode works, and which sound machines have no radios at all.

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September 01, 2026 · 11 min read

Low-EMF Nursery Setup: A Room-Layout Guide for New Parents

Crib placement, monitor choice, sound machines, and night lights — a calm, distance-first guide to setting up a low-EMF nursery without buying anything new.

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August 31, 2026 · 11 min read

Owlet Dream Sock EMF: How Much Radiation Does It Emit?

What the Owlet Dream Sock actually emits — the BLE sock vs the WiFi base station — and how to reduce your baby's exposure without giving up monitoring.

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August 30, 2026 · 11 min read

Sleep Tracker EMF Guide: Which Radios Run While You Sleep

Which sleep trackers transmit while you sleep? Withings mats, Oura, WHOOP, and smart mattresses compared — radios explained and offline modes ranked.

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August 29, 2026 · 11 min read

Whoop EMF Radiation: How Much Does the Band Really Emit?

Whoop 5.0 runs one Bluetooth radio — no WiFi, no cellular. FCC filing numbers, the airplane-mode catch, sleep options, and how it compares to Apple Watch.

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August 28, 2026 · 11 min read

Oura Ring EMF: Airplane Mode, Bluetooth, and the Real Numbers

The Oura Ring runs one Bluetooth radio, active under 1% of the day, and has a true airplane mode. What it emits, how syncing works, and the tradeoffs.

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August 27, 2026 · 11 min read

Eight Sleep EMF: What the Pod Emits and How to Reduce It

Where the Eight Sleep Pod's EMF actually comes from — WiFi hub, wired sensors, water heating — and how to cut exposure without giving up the cooling.

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August 26, 2026 · 11 min read

Lowest SAR Phones 2026: Verified Values + How to Check Any Phone

Verified 2026 SAR values for iPhone 17, Pixel 10, and Galaxy S25 straight from Apple, Google, and FCC filings — plus how to look up any phone's rating.

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August 25, 2026 · 11 min read

What Is a SAR Rating? Phone Radiation Numbers Explained

SAR ratings measure worst-case phone radiation absorption in a lab — not your everyday exposure. What the 1996 test checks, and what it can't tell you.

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August 24, 2026 · 11 min read

How to Hardwire Your Home Internet: Step-by-Step Guide

How to hardwire home internet, step by step: Ethernet adapters, switches, flat cable runs, MoCA over coax, and what an RF meter shows before and after.

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August 23, 2026 · 11 min read

Turn Off WiFi at Night: Timers, Schedules, and What Changes

How to turn off WiFi at night with a mechanical timer or your router's own scheduler, why smart plugs are ironic, and what actually changes on a meter.

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August 15, 2026 · 8 min read

EMF and Weight Gain: Can Cell Phones, WiFi, and Electromagnetic Fields Affect Your Metabolism?

Zebrafish adipogenesis, diabetes reversal in mice, and 5 indirect pathways. What science says about EMF, metabolism, and weight gain.

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August 14, 2026 · 8 min read

EMF and Multiple Sclerosis: Can Electromagnetic Fields Damage Myelin or Trigger MS?

Johansson's myelin damage hypothesis, Danish utility worker data, and therapeutic TMS — what the evidence says about EMF and multiple sclerosis.

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