This website requires Javascript to function properly. Please go to the setting of your web browser and enable Javascript for this website.

自己动手。。。

kamanwu(开开)

Learn how you can easily build your own eclipse projector.

(#16029941@0)
Last Updated: 3-31

工作学习 / 科技自然 / 观察日食的眼镜，什么地方买？ -scar(Scar); 3-31 {38} (#16029104@0)
我看amazon 上的都是非polarized的国产的

看日食的眼镜不是偏振镜〈polarized），而是从紫外到红外全光谱减光程度符合要求的 -naidanac(劳者); 3-31 (#16029201@0)
搞不懂有啥好看的？多伤眼睛啊 -geekcode(文心雕码); 3-31 (#16029506@0) +1
记得上次在公司门口看，有人拿纸盒子扎个小孔看投影，就是小点，但效果还行 -haihai(享受阳光🌞); 3-31 (#16029575@0)
Amazon -anexplorer(页于); 3-31 (#16029810@0)
自己动手。。。 -kamanwu(开开); 3-31 {499} (#16029941@0) +2

Learn how you can easily build your own eclipse projector.

Full Story:
https://www.asc-csa.gc.ca/eng/youth-educators/activities/fun-experiments/eclipse-projector.asp
Last time I got it from a local department store. -sailor(Ocean & Mountain); 3-31 (#16030302@0)
amazon, "solar eclipse glasses", 今天下单明天就到 -narra(万儿八千); 4-4 (#16036958@0) +1
日蚀将近，有很多不法商贩贩卖假冒伪劣的所谓“日蚀眼镜”，提醒大家小心。。（简单的测试方法。。戴上合格的日蚀眼镜，除了太阳在反光物体上的反光，你不应该看到其他任何东西） -lepapillon(Le Papillon); 4-4 {723} (#16036988@0) +1
With two weeks until April 8's total solar eclipse, the American Astronomical Society is warning buyers about unsafe and counterfeit solar glasses.
Full Story:
https://www.space.com/aas-warns-of-fake-solar-glasses-total-eclipse-2024