Self-Luminous Rare Earth Luminous Stick, Sustainable for 20 Years Lamp Fluorescent Rods, for Collection Display Teaching Gift
$115.00
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$115.00
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by ibaedu.com
Free 30-day returns Details
Product details
| Management number | 210278199 | Release Date | 2026/04/02 | List Price | $46.00 | Model Number | 210278199 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- High-temperature resistant borosilicate glass housing, size: 0.2‘ diameter × 3.9’ length, 5 mm diameter × 100 mm length
- Continuously emits light for 20 years without the use of any power
- Gas undergoes pure beta decay and low energy beta rays excite the phosphorescent material on the inner wall to emit light
- This special gas is a weak light source that can only be seen glowing in the dark and does not require any external energy source
- The half-life of this particular gas is 12.3 years, i.e. in 12.3 years the luminosity will be half of what it is now, and in 24.6 years it will be a quarter of what it is now
- The decay product of this particular gas is helium-3, and even if it stops glowing after a few decades, it's still full of the rare helium-3 !
- Ideal for collecting, displaying, teaching, gifts
- The giant tube is usually relatively dim and does not have brightness intensity as high as the small-diameter tubes (diameter of 0–3 mm)
| Item Weight | 8 ounces |
|---|---|
| Manufacturer | Moderock Ltd. |
| Package Dimensions | 7.8 x 5.5 x 4.3 inches |
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