Field Notes from EMF Guru
Field Notes
EMF education for practical home decisions.
Use these Field Notes to understand everyday sources of wireless exposure, from Wi-Fi routers and smart devices to sleeping areas, and learn when home EMF testing can turn concerns into measured facts. Each article focuses on practical EMF reduction, better router placement, and when a professional EMF consultation can help prioritize changes without fear or guesswork.
Wireless / RF
What Is Li-Fi, and Can It Replace Wi-Fi at Home?
Li-Fi explained: how light carries data, why most systems use infrared, how far it reaches, what radios remain, the health evidence and what works at home.
Research & Health
What Did HHS Ask About EMF and Wireless Radiation, and What Happens Next?
The HHS EMF request for information explained: the questions HHS asked, how the FCC's review differs, where the science stands and what happens next.
Measurement & Testing
Do EV Chargers Add Meaningful EMF to an Attached Garage or the Room Above It?
The wall unit is only one part of EV charging. A useful garage-to-bedroom assessment compares the places people occupy, with charging off and on, before recommending…
Wireless / RF
How France, Cyprus and Belgium Limit Children’s Wireless Exposure
France bars installing fixed Wi-Fi in under-3 childcare rooms, Cyprus switched it off in public kindergartens, and Belgium regulates phones for under-sevens.
Wireless / RF
Does Airplane Mode Actually Reduce Your Phone’s Exposure Overnight?
Airplane mode reduces what your own phone transmits overnight and changes nothing about the router, the wiring, or the towers. California's 2017 guidance says the toggle…
Measurement & Testing
How Far Should Your Bed Be From the Electrical Panel?
There is no published safe distance between a bed and an electrical panel, because the field depends on your wiring rather than on the panel. Learn…
Research & Health
Why Do Agencies Say EMF Health Effects Aren’t Consistently Replicated?
"Not consistently replicated" describes an evidence threshold, not universal proof of safety. Learn how measurement-first precaution keeps practical choices grounded.
Practical EMF Reduction
Do EMF Shielding Paints and Fabrics Actually Work?
Shielding paints and fabrics can reduce radio frequency levels in the right situation, but they are not magic, they do not address every type of EMF,…
EMF Basics
How Portland Realtors Can Help Clients With EMF Concerns
When buyers ask about cell towers, smart meters, power lines, or electrical infrastructure, realtors do not need to become EMF experts. They can help clients move…