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Smartphones
Do EMF Phone Cases Actually Work?
Whether a shielding phone case reduces real-world RF exposure while the phone stays connected to a network.
Read Article →Practical articles explaining electromagnetic fields, what measurements actually mean, and what you can do with the information. No alarmism, no dismissiveness.
Whether a shielding phone case reduces real-world RF exposure while the phone stays connected to a network.
Read Article →Two questions hide inside one habit: does the airplane icon really lower your phone's RF exposure, and does it do anything for the plane?
Read Article →Shielding stickers, "scalar" pendants, anti-radiation phone cases — an independent, measurement-based look at which EMF products actually do something, which can make your exposure worse, and which are pure theater.
Read Article →A laptop on your lap can expose you to many times more EMF than the same laptop on a desk.
Read Article →Not all baby monitors transmit the same way — some broadcast continuously all night, others only when there's sound.
Read Article →Electric, magnetic, and RF fields are three different things — each created differently and measured in a different unit.
Read Article →A step-by-step bedroom test: map the room, measure at the pillow, then isolate sources one at a time.
Read Article →Why a few extra feet from a Wi-Fi router usually matters more than a shielding product.
Read Article →A checklist for measuring a transmitting smart meter, including burst behavior and distance.
Read Article →Magnetic field and RF measurements inside electric vehicles — where cabin fields are strongest, how EVs compare to gas cars, and what safety research concluded.
Read Article →Why distance is the dominant variable in phone RF exposure — inverse square law, our flagship phone measurements, SAR limits, and the habits that actually matter.
Read Article →If there's a product, environment, or concept you'd like us to cover, send us a note. We prioritize topics based on reader interest.