worldEdify™🌍 on Instagram: "What looks like a simple marble toy is actually a 700-year-old mathematical concept in action. This device demonstrates the Tusi Couple, where two perfectly synchronized circular motions combine to produce a straight-line path. Invented by 13th-century Persian scholar Nasir al-Din al-Tusi, it was originally used to explain planetary motion in astronomy. The steel balls only appear to move in a straight line, but their motion results from pure geometry canceling curve

Kritika malik on Instagram: "🖤🖤"

𝗔𝗮𝘀𝘂☽︎🩵 on Instagram: "Allah ka shukr ada kiya kro 🫀🥹 . . . 要怎麼不經意讓另一半看到這篇文呢👀 儀式感直接爆棚🕯️ 熱銷小熊蛋糕蠟燭音樂盒💝 快閉上眼～許個願望✨ 下一秒就是我準備的小驚喜🎉 ⚠️ 內含小熊蛋糕機關盒 👉 戒指需自備💍 ✨ 流行好物推薦搜尋：玩具公仔🔍 寵物好物🔍 🛒 下單方式：留言「+1」或截圖私訊購買 📦 台灣ATM轉帳/匯款/街口支付 🌍 全球配送順豐快遞 支持微信支付寶 🚚 約2週到貨 ✔️ 接受再下單"

Adam Savage🎙🎮 on Instagram: "‘BATMAN FOR-NEVER’. Who do you think works best??? (AI concepts don’t come better than this one…) **HUGE shoutout to the YT CREATOR: Stryder HD (this was AWESOME!) #batman #ai #concept #fyp #macaulayculkin #jimcarrey #reaction #batmanforever"