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🌞 Spin into Science with Style!
The Hanging Solar Radiometer Ornament in Emerald Green stands at 5.5 inches tall, featuring a 2.5-inch diameter sphere. Each piece is meticulously tested for functionality, ensuring a captivating display as the enclosed panes spin in direct sunlight. Perfect for gifting to educators and science enthusiasts alike, this ornament combines beauty with educational value.
E**U
Badly designed, made-in-China glasswork
Radiometers need to have CLEAR glass globes in order to derive the necessary full spectrum of light energy they need to spin. These colored globes deprive the radiometer of needed energy from the light spectrum. Different colored globes spin faster than others because different colors block more energy than others (hence, why plants are green). Blue and green radiometer globes spin the slowest. In fact, I couldn't make these spin unless they were hanging in full sun, and they eventually stopped spinning as they warmed up. It is better to buy a European-made clear globe with colored glass inside (check other sites) than these inexpensive knock-offs. Although European-made glass is 2-3x more expensive, it actually works. These radiometers are essentially useless, being much too finicky to spin, even weakly.
C**W
Nice radiometer that works in moderate indirect sunlight and spins very fast in direct sunlight.
Another nice radiometer, work in indirect sunlight and has nice color
P**T
Looks good but mine won't spin in direct sunlight
Won't spin in sunlight must be off center wish I kept the address where it came from so I can see if I can get it replaced.. tried to put the weight different but couldn't figure out how to make it spin
K**Y
Five Stars
Very nice.
Trustpilot
Hace 3 semanas
Hace 1 semana