Frequency Mugs
Description: This scientific diagram shows a spark-gap dipole transmitter sending curved radio waves to a loop receiver that sparks in turn, above c = λ · f, on a deep dark background. Between 1886 and 1888, Heinrich Hertz produced and detected electromagnetic waves with a spark-gap transmitter, confirming Maxwell's theory. The unit of frequency, the hertz, is named after him. Made for electricians, electrical engineers and anyone powered by curiosity, it suits a workshop, lab, study or office.
Hertz and Radio Waves, Spark-Gap Transmitter and Loop Receiver Experiment Mug
by Science Design
$13 $18
Actually I’m Just Here To Hold The Frequency - Funny Introvert Quote Mug
by IslamTeeToTheJannah
$13 $18
Description: There is a frequency the modern world forgot. 432Hz — the natural tuning of the universe. The frequency of the cosmos, of ancient instruments, of the human heart in coherence. Before the 1953 standardization to 440Hz, this was how music was tuned. This was how sound healed. This design channels that forgotten frequency into wearable sacred art — Metatron's Cube anchoring the four corners, esoteric sigils woven into the plasma field, sacred geometry radiating outward from a single point of light. Every symbol here is a key. Every line is a map back to something your cells already know. For the frequency seeker. The sound healer. Spread the good vibes.
Sonic Healing 432Hz Sacred Geometry Tee — Metatron's Cube Frequency Art Mug
by Chill Step Philosophy
$13 $18
Description: Rendered on a deep dark background, this artwork presents four sine harmonics stacked above a square wave rebuilt from their sum, with the series f(x) = 4/π Σ sin(nx)/n for n = 1, 3, 5, 7. In 1822 Joseph Fourier showed that any periodic signal can be written as a sum of sines and cosines. Fourier analysis now underpins audio, image compression, telecommunications and much of modern engineering. Made for engineers, inventors and anyone who loves to understand how things work, it suits a workshop, office or study.
Fourier Series, a Square Wave Built from Sine Harmonics, Signal Processing Math Mug
by Science Design
$13 $18
Actually I’m Just Here To Hold The Frequency - Funny Introvert Quote Mug
by IslamTeeToTheJannah
$13 $18
Description: In the mathematical universe, Bigfoot leaves no physical tracks, only a distinct frequency signature. Plotted on a custom-designed application using Fourier Transform epicycles, this royal blue and purple wireframe design is made for electrical engineers, RF specialists, and signal processing professionals.
Description: Tune into the ultimate nostalgic frequency! This electrifying retro radio station logo brings back the neon-soaked vibes of your favorite 80s open-world adventures. Perfect for retro gamers and synthwave junkies. Grab this tee and let the classic hits roll! ⚡📻🌴🚀
Retro 80s Virtual Radio Mug
by Fictional Ink Society: Retro Old School & Geek Fan Art
$13 $18
Description: Celebrate the classic era of sound with this unique "Respect The Dial Tone" graphic design. Featuring bold, 3D metallic typography, elegant script lettering, and audio waveform details, this design is perfect for sound engineers, podcasters, vintage audio enthusiasts, and music producers.
Respect The Dial Tone Vintage Graphic Audio Podcast Sound Mug
by NomiCrafts
$13 $18
Description: Celebrate Field Day 2026 with this vintage-inspired amateur radio design featuring an off-grid wilderness broadcasting camp. Perfect for dedicated ham radio operators who serve as a vital national resource during emergency communications.
Vintage Amateur Radio Field Day 2026 FD-26 National Resource Mug
by D88 STUDIO
$13 $18
Description: Tune in to the Dead Radio. A vintage-inspired design built around the eerie atmosphere of forgotten broadcasts, static signals, midnight radio, and haunted transmissions. Perfect for fans of vintage horror, retro graphics, underground music, analog technology, and creepy old-school aesthetics.
Description: Outside Frequency blends raw fashion photography with underground music culture and distressed streetwear graphics. CRAZY ASSIYA CA-035 combines an oversized editorial identity, headphones, vinyl-inspired geometry and a signature yellow flower for a graphic built around individuality and personal rhythm.
Description: Show your love for coffee with this funny coffee cup frequency featuring a heartbeat-inspired design. Perfect for coffee lovers, caffeine enthusiasts, and anyone who starts the day with their favorite cup of coffee. A great gift for coffee drinkers, baristas, and espresso fans.
Coffee Cup Frequency – Funny Heartbeat Coffee Lover Tee Mug
by Spooky-fooky
$13 $18
Description: Original hand-drawn minimalist line art portrait of Nikola Tesla featuring his famous quote about energy, frequency, and vibration. Perfect for science lovers, physics students, teachers, and dark academia aesthetic fans.
Nikola Tesla Minimalist Line Art Science Quote Mug
by Historical Lineart
$13 $18
Description: Calm Waves in Color.. A calming blend of layered blue tones meets subtle texture in this minimalist abstract design. Inspired by ocean depth and analog noise, this piece balances serenity with visual rhythm. Perfect for lovers of clean aesthetics, gradient art, and modern graphic tees. Wear it like a quiet frequency.
