クリス・ハードウィックのインスタグラム(nerdist) - 8月10日 00時01分

For the first time ever, scientists have used lasers to detect space debris in broad daylight. Until now, scientists have only been able to use lasers for this purpose during twilight hours.⁠
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[BIHAKUEN]UVシールド(UVShield)

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