What happens when you touch a pickle to an AM radio tower

Safety and Access Around AM Towers

  • Many commenters stress the extreme danger of touching energized AM towers; the inner fence is seen as a last‑line “do not pass” reminder, not the only barrier.
  • Some are surprised towers are sometimes protected only by low or modest fencing, worrying about children or TikTok daredevils.
  • Others note broader outer fences with barbed wire, warning signs, and rural siting reduce casual access.
  • Discussion includes electrocution unpredictability: outcome depends on contact path, moisture, heart phase, etc.

Pickles, Hot Dogs, and Electrical Experiments

  • Readers recall similar experiments with mains voltage through pickles/gherkins/hot dogs, making them glow or cook.
  • “Grounded” vs “floating” food is highlighted as crucial: a grounded pickle/hot dog can meaningfully shunt current; a floating one only couples capacitively and reacts weakly.
  • Several people mention commercial or DIY hot‑dog cookers that run mains across the meat.

How the Food Produces Sound and Light

  • Explanations:
    • AM works by varying signal amplitude with audio; any nonlinear element can crudely demodulate it.
    • Food and arcs act as nonlinear, lossy elements, converting strong RF into heat, sparks, and audio.
    • Sparks/plasma themselves produce audible sound; low mechanical efficiency is offset by huge local field strength.
  • There is some uncertainty on whether glowing pickles are true incandescence or mostly internal arcing; anecdotal evidence suggests both can occur.

RF vs “Normal” Electric Shock

  • One view: in the pickle demo, most visible destruction is from substantial RF/AC current to ground, not subtle RF effects.
  • RF burns are described as different from power‑line shocks: nerves don’t sense high frequency directly, but intense localized heating causes burns and tissue damage.
  • Anecdotes include Tesla-coil “bites,” RF exposure from military ECM gear, capacitor discharge arcs, and household shock incidents.

AM Radio, Modulation, and Use Cases

  • AM towers are dangerous because the entire tower is the antenna, carrying many kilowatts; FM typically uses small antennas atop grounded structures.
  • AM’s varying amplitude allows visible/audible modulation in arcs and ad‑hoc “receivers” like grass or food.
  • Some note AM remains useful for long‑range traffic reports and other services.

Regulation, Hobbyist AM, and Aviation

  • A thread branch advocates opening (now underused) AM bands to low‑power community or hobby broadcasters, arguing educational, cultural, and environmental benefits.
  • Others discuss licensing trade‑offs: minimal licensing for interference and safety versus reducing barriers.
  • Aviation keeps AM in VHF because:
    • No capture effect, so overlapping transmissions can both be heard.
    • Audio loudness roughly tracks signal strength (distance cue).
    • AM degrades more gracefully at low signal than FM.