# @stem_antics on Instagram

- **Type:** Video
- **Original URL:** https://www.instagram.com/p/DYfmoasB0ZK
- **Gondola URL:** https://gondola.cc/posts/65777401-stem-antics-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/1d8aecc14e.jpg
- **Posted:** 2026-05-18T20:45:49.000+00:00
- **Account Owner:** Stem Antics (@stem_antics) — https://gondola.cc/stem_antics

## Caption

Link in bio!

What you’re seeing is a modern demonstration of wireless energy transfer using high-frequency electromagnetic fields, closely related to the same physical principles explored by Nikola Tesla in the late 19th century. Although it looks futuristic, the underlying science is rooted in classical electromagnetism, resonance, plasma physics, and gas excitation.

The glowing filament bulb is being energized without direct electrical contact. Instead of current traveling through wires into the bulb, energy is transferred through an oscillating electromagnetic field generated by a high-voltage, high-frequency device similar to a miniature Tesla coil or resonant induction system.

Here’s what is happening in detail:

The base unit generates rapidly alternating electrical currents at very high frequencies, often in the kilohertz to megahertz range. These oscillating currents create a changing magnetic and electric field around the device. According to Faraday’s Law of Electromagnetic Induction, a changing magnetic field can induce voltage in nearby conductive materials without physical contact.

When the bulb enters this electromagnetic field, electrons inside the filament or low-pressure gas become excited. In incandescent-style bulbs, the induced current heats the filament until it emits visible light through blackbody radiation. In gas-filled bulbs, energetic electrons collide with gas atoms, exciting them into higher energy states. As those atoms return to lower energy states, they release photons, producing the visible glow.

The purple electrical arcs are ionized plasma channels created when the surrounding air becomes electrically conductive. Under extremely strong electric fields, electrons are stripped from air molecules, forming plasma — often called the “fourth state of matter.” Plasma contains free electrons and ions that allow electrical discharge to travel through the air as branching tendrils of light.

#STEM #Physics #Electromagnetism #TeslaCoil #WirelessEnergy

## Stats

- **Views:** 641,281
- **Likes:** 131,049
- **Shares:** 0
- **Comments:** 314

## Tags

electromagnetism, stem, wirelessenergy, teslacoil, physics

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