NPR News: How to pick the perfect stone for skipping, according to physics By Unknown 07:34 // No comments How to pick the perfect stone for skipping, according to physics A new study suggests larger, curvy rocks can yield impressive throws when skipping stones on water. Read more on NPR Gửi email bài đăng nàyBlogThis!Chia sẻ lên XChia sẻ lên Facebook
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