This website requires Javascript to function properly. Please go to the setting of your web browser and enable Javascript for this website.
×
Loading...
@Waterloo
Close
Home
Share
自己动手。。。
kamanwu
(开开)
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
(#16029941@0)
Last Updated: 3-31
Sign in and Reply
Share
Report
Replies, comments and Discussions:
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
没有偏光太阳镜吗?
-
nww
(西北偏西);
3-31
(#16029125@0)
以为看3D电影呢?看日食要用电焊等级的眼镜看。
-
donot
(田长第九);
3-31
(#16029225@0)
+3
两幅偏光镜叠加,通过调整角度,可以暗到任何程度。
-
nww
(西北偏西);
3-31
(#16029681@0)
小心看瞎眼睛
-
martins
(Martin);
3-31
(#16029533@0)
两幅偏光镜叠加,通过调整角度,可以暗到任何程度。
-
nww
(西北偏西);
3-31
(#16029682@0)
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
More Topics
昨天OpenAI 刚刚发布了 GPT-4o,这是一种新的人工智能模式,集合了文本、图片、视频、语音的全能模型。今天是谷歌2024开发者大会,关注一下有什么东西发布,每次谷歌重大事件前夕,openai 都要搞点响动,算是互相成就
Open ai帮你面试,帮你做作业
地球上的人工智能
So you are saying Graphene is not magnetic 🧲,🥱Ever heard of BLACK GOo 🥴☑️ | ♊️☯️🤍🤍🤍LucKee13x
secret german technologies
枫下论坛主坛
/
工作学习
/
科技自然