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Saat kita menyentuh benda, atom-atom dalam tubuh kita sebenarnya tidak benar-benar menyentuh atom-atom di benda tersebut. Ini karena atom sebagian besar terdiri dari ruang kosong, dan elektron di kulit terluar atom saling tolak-menolak karena gaya elektromagnetik. Tolakan ini yang membuat kita merasakan sensasi "sentuhan".  Penjelasan Lebih Detail: 1. Atom Terdiri dari Ruang Kosong: Atom bukanlah partikel padat yang padat, melainkan sebagian besar terdiri dari ruang kosong. Inti atom (yang meng...
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Pada tahun 1945, Amerika Serikat menjatuhkan dua bom atom di kota Hiroshima dan Nagasaki, menyebabkan total kematian mencapai 120.000 jiwa. Kunci dahsyatnya ledakan bom atom ini berasal dari reaksi fisi nuklir. Proses ini terjadi ketika uranium-235 / plutonium-239 yang telah mencapai massa kritisnya dibombardir oleh neutron, menyebabkan inti atomnya terbelah menjadi dua dan melepaskan energi dalam bentuk panas, cahaya, dan radiasi. Tidak hanya itu, ketika inti atom uranium-235 terbelah, terjadi...
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Kita nggak pernah benar-benar menyentuh apa pun! 🤯✨ Di level atomik, 'sentuhan' itu hanyalah ilusi. Elektron di permukaan atom kita dan benda lain saling tolak-menolak karena muatan negatifnya. Gaya tolak-menolak ini menciptakan sensasi 'sentuhan' yang kita rasakan. 🧪⚡ Lebih mind-blowing lagi, sebagian besar atom itu ruang kosong. Kalau inti atom seukuran bola kecil di tengah stadion, elektronnya ada jauh di luar stadion. Dunia yang terasa solid ini sebenarnya lebih kosong dari yang kita baya...
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