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science in context, art history and some puzzles to solve

The high-speed video reveals how a foam training golf ball behaves with a wall at 240 km/h,

This type of ball is different from the typical ones with a delrin cover,

https://t.co/VqdNWLcpKk https://video.twimg.com/amplify_video/1777408762405416960/vid/avc1/720x728/12DJrR2YL606fvyi.mp4?tag=14

During a solar eclipse, the gaps between leaves on trees act as multiple pinhole cameras,

and each gap projects its own crescent-shaped image of the eclipsed sun onto the ground.

📹gottigreen

https://t.co/PHLwhslMZu https://video.twimg.com/amplify_video/1713288790092226560/vid/avc1/720x1280/vk9ARG1BqfHGoA4p.mp4?tag=14

Syenite rocks containing fluorescent sodalite ( also known as "yooperlite")

The sodalite will fluoresce orange under UV light

📹 greatlakesrockhounds

https://t.co/5fJK3jQSwV https://video.twimg.com/ext_tw_video/1695389174054965248/pu/vid/720x1280/2bPluI0YWVeAHpzc.mp4?tag=12