What is a scientific lamp?
A scientific lamp is a light whose glow comes from a physical principle you can watch: wax rising and falling by convection in a lava lamp, gas ionised into filaments in a plasma ball, a bulb held in mid-air by magnetic levitation, a block of Himalayan salt lit from inside, a crystal or an optical illusion drawn in light. Mood lighting first, and a demonstration every time someone asks how it works.
71 modelsFrom £19.99Lava, plasma, levitating, salt and crystalMains or USB, adapters includedFree UK delivery over £45
Who is this collection for?
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For a bedroom or a desk that needs a signature light
A lava lamp, a plasma ball or a levitating bulb is mood lighting that doubles as a physics demonstration.
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For a housewarming, a birthday or a colleague
The lamp nobody already owns. Warm salt lamps, glowing crystals, floating bulbs, hypnotic wax.
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For anyone curious about how light and matter behave
Every lamp here runs on a principle: convection, ionised gas, magnetic levitation, mineral glow.
How to choose a scientific lamp
Decide on the effect you want in the room: slow movement, electric reaction, floating light, warm mineral glow or an optical trick. Each family has its own page.
| Type | Best for | Effect | Price |
|---|---|---|---|
| Lava lamps | Bedrooms, chill-out corners | Slow moving wax | £44 to £207 |
| Plasma balls | Teenagers, desks, parties | Filaments that follow your fingers | £30 to £118 |
| Levitating lamps | Statement pieces, gifts | A bulb, moon or cloud that floats | £60 to £197 |
| Salt, crystal and illusion lamps | Calm corners, bedsides, geeks | Warm glow, engraved light | £20 to £131 |
Lava lamps, plasma balls and levitating lamps are mains powered with the adapter included; most of the others run from USB. Brightness ranges from night light to reading light and is stated on each product page.
The science in two lines
Each family is one principle: a tiny density difference between wax and liquid (lava), a high frequency field stripping electrons from neon and argon (plasma), an electromagnet corrected hundreds of times a second (levitation), light scattered through a mineral (salt, crystal), light escaping only where an acrylic sheet is engraved (illusion).
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Scientific Lamp: your questions, answered
What is a scientific lamp?
A lamp whose light comes from, or shows off, a physical principle: wax convection in a lava lamp, ionised gas in a plasma ball, magnetic levitation, a glowing salt crystal.
Are these lamps safe to leave on?
Yes, within each lamp's guidance: lava lamps for up to 8 hours then a cool-down, plasma balls and LED lamps as long as you like. Never cover a lava lamp.
How are they powered?
Lava lamps, plasma balls and levitating lamps are mains powered with the adapter included. Most crystal, balance and illusion lamps are USB powered.
Which lamp for a child's bedroom?
A salt lamp or a moon lamp for a soft night light; a plasma ball from about 8; a lava lamp from 10, kept out of reach of very young children because it gets warm.
Which lamp makes the best gift?
The levitating bulb for a desk, the plasma ball for a teenager, the Himalayan salt lamp for a calm corner, the lava lamp for anyone nostalgic for the 70s.
Free UK delivery over £45 and 30 days to return it. For lamps shaped like the sky, our space lamps have their own collection.