# danieel.id


## Posts

- [Double-Slit Experiment: Quantum Physics’ Greatest Mystery](https://danieel.id/en/double-slit-experiment-quantum-physics/): Ever tossed a pebble into a fish pond and watched the ripples spread out, run into each other, and form a beautiful pattern?
- [Eksperimen Celah Ganda: Misteri Terbesar Fisika Kuantum](https://danieel.id/eksperimen-celah-ganda-fisika-kuantum/): Pernah melempar batu kecil ke kolam ikan, lalu memperhatikan riaknya menyebar, saling bertemu, dan membentuk pola yang indah?
- [The Dangers of Sitting Too Long: Give Your Body Movement Breaks!](https://danieel.id/en/dangers-of-sitting-too-long/): The work isn't done, the coffee has gone cold, and we're still sitting in exactly the same position as before.
- [Bahaya Duduk Terlalu Lama: Yuk, Beri Tubuh Jeda Gerak!](https://danieel.id/bahaya-duduk-terlalu-lama/): Jeda gerak sederhana membantu kita mengurangi rentang duduk yang panjang, termasuk saat bekerja.
- [Story of Prophet Yusuf: 6 Reasons It’s the Best of Stories](https://danieel.id/en/story-of-prophet-yusuf-best-of-stories/): Have you ever rewatched a film whose ending you already knew by heart, yet still found yourself teary-eyed by the end?
- [Kisah Nabi Yusuf, Sebaik-baik Kisah: 6 Alasan Menurut Ulama](https://danieel.id/kisah-nabi-yusuf-sebaik-baik-kisah/): Kenapa kisah Nabi Yusuf disebut sebaik-baik kisah? Simak 6 alasan dari ulama klasik hingga Nouman Ali Khan, termasuk struktur ceritanya yang simetris.
- [8 Tips to Create AI Skills: How They Differ from Prompts](https://danieel.id/en/create-ai-skills/): Ever written a long prompt for an AI, finally got the result just right, and then had to explain everything from scratch again the following week?
- [8 Tips Membuat Skill AI: Bedanya dengan Prompt dan Contohnya](https://danieel.id/membuat-skill-ai-pekerjaan-berulang/): Pelajari 8 tips membuat skill AI untuk tugas berulang di ChatGPT, Gemini, dan Claude, lengkap dengan contoh prompt, pengujian, serta perlindungan data.
- [10 Effective AI Prompting Techniques to Get the Results You Need](https://danieel.id/en/effective-ai-prompting/): Ever asked an AI to make something, only to get an answer that wanders all over the place? We want a simple recipe, and it hands us a full restaurant menu.
- [10 Teknik Prompting AI yang Efektif agar Hasilnya Sesuai Kebutuhan](https://danieel.id/prompting-ai-yang-efektif/): Pelajari 10 teknik prompting AI yang efektif untuk belajar, menulis, kegiatan sehari-hari, dan pekerjaan, lengkap dengan contoh serta tips menjaga data.
- [Understanding the Spread of Online Hoaxes](https://danieel.id/en/understanding-online-hoaxes/): Online hoaxes, or false news, seem increasingly close to our everyday lives.
- [Memahami Maraknya Fenomena Hoax](https://danieel.id/memahami-maraknya-fenomena-hoax/): Fenomena hoax atau berita palsu terasa makin dekat dengan keseharian kita.
- [Strength Training After 30: 10 Major Benefits](https://danieel.id/en/strength-training-after-30-10-major-benefits/): Strength training after age 30 helps maintain muscle, bone, metabolism, and independence. Learn the benefits and simple exercises at home.
- [Latihan Kekuatan Setelah Usia 30: 10 Manfaat Besar](https://danieel.id/latihan-kekuatan-setelah-30/): Latihan kekuatan setelah usia 30 membantu menjaga otot, tulang, metabolisme, dan kemandirian. Pelajari manfaat serta latihan sederhana di rumah.
- [Benefits of Walking After a Meal](https://danieel.id/en/benefits-of-walking-after-a-meal/): Walking after a meal can help curb blood sugar spikes. Learn about the timing, duration, alternative movements, and safety limits.
- [Manfaat Jalan Kaki Setelah Makan](https://danieel.id/jalan-kaki-setelah-makan/): Jalan kaki setelah makan dapat membantu meredam lonjakan gula darah. Pelajari waktu, durasi, alternatif gerakan, dan batas amannya.
- [Marshmallow Test: 7 Important Lessons on Self-Control](https://danieel.id/en/marshmallow-test-7-important-lessons-on-self-control/): The Marshmallow Test is a simple experiment that shows just how hard it is to delay a pleasure that is right in front of us. A child is given one marshmallow.
- [Marshmallow Test: 7 Pelajaran Penting Pengendalian Diri](https://danieel.id/marshmallow-test-mengapa-pengendalian-diri-mempengaruhi-masa-depan-kita/): Marshmallow Test adalah percobaan sederhana yang memperlihatkan betapa sulitnya menunda kesenangan yang sudah ada di depan mata.
- [Blue Zones: 8 Lessons for Healthier Aging](https://danieel.id/en/blue-zones-healthy-aging/): Eight research-backed Blue Zone longevity secrets: natural food, reasonable portions, movement, purpose, relationships, faith, and rest.
- [Rahasia Blue Zone: 8 Pelajaran untuk Menua Lebih Sehat](https://danieel.id/rahasia-blue-zone/): Delapan rahasia panjang umur Blue Zone yang didukung penelitian: makanan alami, porsi wajar, gerak, tujuan hidup, relasi, iman, dan istirahat.
- [How to Read a Company's Cash Flow Statement](https://danieel.id/en/how-to-read-a-companys-cash-flow-statement/): A guide to understanding operating, investing, and financing cash flows through an imaginary company report example.
- [Cara Membaca Laporan Arus Kas Perusahaan](https://danieel.id/cara-membaca-laporan-arus-kas-perusahaan/): Panduan memahami arus kas operasi, investasi, dan pendanaan melalui contoh laporan perusahaan imajiner.
- [How to Read a Company Balance Sheet Easily](https://danieel.id/en/how-to-read-a-company-balance-sheet-easily/): A practical guide to reading assets, liabilities, equity, and changes in a company's financial position through a simple balance sheet example.
- [Cara Membaca Neraca Perusahaan dengan Mudah](https://danieel.id/cara-membaca-neraca-atau-balance-sheet/): Panduan praktis membaca aset, liabilitas, ekuitas, dan perubahan posisi keuangan perusahaan melalui contoh neraca sederhana.
- [How to Read a Statement of Changes in Equity](https://danieel.id/en/how-to-read-a-statement-of-changes-in-equity/): A guide to reading changes in capital, retained earnings, dividends, and stock issuances through an imaginary company example.
- [Cara Membaca Laporan Perubahan Ekuitas](https://danieel.id/cara-membaca-laporan-perubahan-ekuitas/): Panduan membaca perubahan modal, laba ditahan, dividen, dan penerbitan saham melalui contoh perusahaan imajiner.
- [The Photosynthesis Process: The Wonder Within a Leaf](https://danieel.id/en/photosynthesis-process-wonder-within-a-leaf/): Let’s pause for a moment to reflect on one of the signs of Allah’s power as the Creator: the photosynthesis process.
- [Proses Fotosintesis: Keajaiban di Balik Sehelai Daun](https://danieel.id/proses-fotosintesis/): Mari kita renungkan sejenak salah satu tanda kekuasaan Allah, Sang Maha Pencipta, yaitu proses fotosintesis.
- [10 Tips to Become an Effective and Reliable Worker in Today’s Professional World](https://danieel.id/en/10-tips-to-become-an-effective-and-reliable-worker-in-todays-professional-world/): Ten practical tips for becoming an effective and reliable worker through job mastery, skill combinations, AI, soft skills, and healthy work habits.
- [10 Tips Menjadi Pekerja Efektif dan Andal di Dunia Kerja Saat Ini](https://danieel.id/tips-menjadi-pekerja-efektif-dan-andal/): Sepuluh tips praktis untuk menjadi pekerja efektif dan andal melalui penguasaan pekerjaan, kombinasi keterampilan, AI, soft skill, dan kebiasaan kerja sehat.
- [Understanding the 4 Types of Company Financial Statements](https://danieel.id/en/understanding-the-4-types-of-company-financial-statements/): A simple guide to reading a company's four main reports and understanding the relationships between their figures.
- [Memahami 4 Jenis Laporan Keuangan Perusahaan](https://danieel.id/memahami-4-jenis-laporan-keuangan-perusahaan/): Panduan sederhana membaca empat laporan utama perusahaan dan memahami hubungan angka-angkanya.
- [EBITDA vs. Net Profit: The Differences](https://danieel.id/en/ebitda-vs-net-profit-the-differences/): Two profitability indicators with different purposes and how to read them together.
- [Perbedaan EBITDA dan Net Profit](https://danieel.id/perbedaan-ebitda-dan-net-profit/): Dua indikator profitabilitas dengan tujuan berbeda dan cara membacanya bersama-sama.
- [How to Read a Company's Income Statement](https://danieel.id/en/how-to-read-a-companys-income-statement/): Learn the flow of revenue, costs, margins, EBITDA, EPS, and net profit through the example of the imaginary company danieel.id.
- [Cara Membaca Laporan Laba Rugi Perusahaan](https://danieel.id/cara-membaca-laporan-laba-rugi-perusahaan/): Pelajari alur pendapatan, biaya, margin, EBITDA, EPS, dan laba bersih melalui contoh perusahaan imajiner danieel.id/.
- [10 Reasons to Choose SMEMBA SBM ITB for Your MBA](https://danieel.id/en/10-reasons-to-choose-smemba-sbm-itb-for-your-mba/): Personal experience of a SMEMBA Batch 3 alumnus on ten reasons for choosing the SBM ITB MBA program, along with context and the latest official information.
- [10 Alasan Memilih SMEMBA SBM ITB untuk Kuliah MBA](https://danieel.id/10-alasan-memilih-smemba-sbm-itb-untuk-kuliah-program-mba/): Pengalaman pribadi alumnus SMEMBA Batch 3 tentang sepuluh alasan memilih program MBA SBM ITB, disertai konteks dan informasi resmi terbaru.
- [Company Financial Ratios: 5 Categories and How to Read Them](https://danieel.id/en/company-financial-ratios-5-categories-and-how-to-read-them/): A guide to reading five categories of company financial ratios with formulas and examples of time series and industry comparisons.
- [Rasio Keuangan Perusahaan: 5 Kategori dan Cara Membacanya](https://danieel.id/memahami-rasio-rasio-keuangan-untuk-analisa-kinerja-perusahaan/): Panduan membaca lima kategori rasio keuangan perusahaan dengan rumus dan contoh time series serta perbandingan industri.
- [Stock Valuation: 3 Methods, Formulas, and Practical Examples](https://danieel.id/en/stock-valuation-methods-formulas-examples/): Have you ever watched a stock price fall and immediately thought, “Wow, that's cheap!”? I prefer to invite us to pause for a moment: cheap compared with what?
- [Valuasi Saham: 3 Metode, Rumus, dan Contoh Praktis](https://danieel.id/yuk-belajar-valuasi-saham-dengan-berbagai-metode/): Pelajari valuasi saham melalui dividen, arus kas, dan rasio pasar. Lengkap dengan rumus, contoh dummy, hubungan WACC, serta cara mengecek data aktual.
- [10 Soft Skills Students Can Develop Through Organizations](https://danieel.id/en/10-soft-skills-students-can-develop-through-organizations/): Ten soft skills students can develop through organizations, complete with personal experiences in communication, teamwork, leadership, and the professional world.
- [10 Soft Skills yang Dapat Diasah Mahasiswa Melalui Organisasi](https://danieel.id/soft-skills-mahasiswa-melalui-organisasi/): Sepuluh soft skills mahasiswa yang dapat diasah melalui organisasi, dilengkapi pengalaman pribadi tentang komunikasi, kerja tim, kepemimpinan, dan dunia kerja.
- [WACC Calculation: Formula and Cost of Capital Examples](https://danieel.id/en/wacc-calculation-formula-examples/): When a company builds a factory or expands its business, the question is not just how much funding it needs. We also need to know what that funding costs.
- [Perhitungan WACC: Rumus dan Contoh Biaya Modal](https://danieel.id/memahami-perhitungan-weighted-average-cost-of-capital-wacc/): Pahami perhitungan WACC, cost of debt, cost of equity, dan saham preferen melalui rumus lengkap serta contoh dummy dengan asumsi yang konsisten.
- [How to Calculate Cost of Debt: 3 Methods and Examples](https://danieel.id/en/how-to-calculate-cost-of-debt/): When a company borrows money, our question is not just how much it owes, but how much that borrowing costs.
- [Menghitung Cost of Debt: 3 Metode dan Contoh Praktis](https://danieel.id/cara-menghitung-cost-of-debt-perusahaan/): Pelajari cara menghitung cost of debt melalui YTM, credit rating, dan synthetic rating, lengkap dengan rumus, contoh dummy, serta biaya setelah pajak.
- [How to Calculate Cost of Equity with CAPM: A Practical Guide](https://danieel.id/en/how-to-calculate-cost-of-equity-capm/): How do we calculate cost of equity when shareholders’ capital does not carry interest like a bank loan?
- [Menghitung Cost of Equity dengan CAPM: Panduan Praktis](https://danieel.id/cara-menghitung-cost-of-equity-dengan-metode-capm/): Pelajari cara menghitung cost of equity dengan CAPM, rumus beta, contoh dummy X dan Y, serta pemilihan risk free rate dan premi risiko pasar.
- [DuPont Analysis: How to Understand a Company's ROA and ROE](https://danieel.id/en/dupont-analysis-how-to-understand-a-companys-roa-and-roe/): When looking at a company's ROA and ROE, we might immediately ask: are the numbers good or not?
- [DuPont Analysis: Cara Memahami ROA dan ROE Perusahaan](https://danieel.id/menggunakan-dupont-analysis-untuk-analisa-roa-dan-roe-perusahaan/): Ketika melihat ROA dan ROE perusahaan, kita mungkin langsung bertanya: angkanya bagus atau tidak?
- [11 Ways to Secure Digital Accounts: From Passkeys to Recovery](https://danieel.id/en/11-ways-to-secure-digital-accounts/): Let's count for a second: email, WhatsApp, social media, online shops, mobile banking, e-wallets, not to mention ride-hailing apps and streaming subscriptions.
- [11 Cara Mengamankan Berbagai Akun Digital Kita](https://danieel.id/11-cara-mengamankan-berbagai-akun-digital-kita/): Pelajari 11 cara mengamankan akun digital dengan passkey, biometrik, password unik, login Google atau Apple, serta pemulihan akun yang aman.
- [10 Superfoods that are Easy to Prepare, Healthy and Affordable](https://danieel.id/en/easy-superfoods-at-home/): Ten superfoods that are easy to prepare at home, complete with scientific benefits, how to consume, serving, and safety notes.
- [10 Superfood yang Mudah Disediakan, Sehat dan Terjangkau](https://danieel.id/10-superfood-yang-mudah-disediakan-sehari-hari-di-rumah/): Sepuluh superfood yang mudah disediakan di rumah, lengkap dengan manfaat ilmiah, cara konsumsi, porsi, dan catatan keamanannya.
- [Palembang Language Dictionary](https://danieel.id/en/palembang-language-dictionary/): This Palembang language dictionary is my small contribution to preserving the language of the city where I was born and raised.
- [Kamus Bahasa Palembang](https://danieel.id/kamus-bahasa-palembang/): Kamus bahasa Palembang ini saya susun sebagai salah satu cara sederhana untuk turut melestarikan bahasa kota tercinta, tempat saya lahir dan dibesarkan.
- [Lose 22 lbs in 6 Months: The Secret to Success](https://danieel.id/en/lose-22-lbs-in-6-months-the-secret-to-success/): My personal experience of losing 22 lbs in 6 months through ten healthy habits, complete with scientific explanations and reliable sources.
- [Turun Berat Badan 10 Kg dalam 6 Bulan: Rahasia Sukses](https://danieel.id/10-tips-turun-berat-badan-10-kg-dalam-6-bulan/): Pengalaman pribadi saya turun berat badan 10 kg dalam 6 bulan melalui sepuluh kebiasaan sehat, lengkap dengan penjelasan ilmiah dan sumber tepercaya.
- [Two-Step Verification: Why a Password Alone Is No Longer Enough](https://danieel.id/en/two-step-verification/): Ever received a WhatsApp message from an old friend suddenly asking to borrow money, even though the way they wrote didn't sound like them at all?
- [Password Saja Tak Lagi Cukup, Yuk Aktifkan Verifikasi Dua Langkah](https://danieel.id/password-tak-lagi-cukup-yuk-gunakan-verifikasi-dua-langkah/): Panduan verifikasi dua langkah untuk Google, WhatsApp, Facebook, Instagram, Apple Account, TikTok, dan Telegram, plus tips memilih passkey dan autentikator.
- [Duas from the Quran: Arabic, Transliteration, Meanings and Stories](https://danieel.id/en/duas-from-the-quran/): When our hearts feel weighed down, our responsibilities seem overwhelming, or we do not know what to ask for, duas from the Quran give us clear words to turn to.
- [Kumpulan Doa dalam Al-Qur’an: Arab, Latin, Arti, dan Kisahnya](https://danieel.id/kumpulan-doa-doa-dalam-al-quran/): Ketika hati terasa sempit, urusan tampak berat, atau kita tidak tahu harus meminta apa, doa dalam Al-Qur'an memberi kita kata-kata yang jernih.
- [Lessons from the Rise and Fall of World Civilizations](https://danieel.id/en/lessons-from-the-rise-and-fall-of-world-civilizations/): The Renaissance, the Islamic world, colonialism, the Meiji Restoration, the Soviet Union, the United States, and China hold lessons about science, economics, power, and a nation's ability to adapt.
- [Pelajaran Dari Jatuh Bangunnya Peradaban Dunia](https://danieel.id/pelajaran-dari-jatuh-bangunnya-peradaban-dunia/): Renaisans, dunia Islam, kolonialisme, Restorasi Meiji, Uni Soviet, Amerika Serikat, dan Tiongkok menyimpan pelajaran tentang ilmu, ekonomi, kekuasaan, dan kemampuan bangsa untuk beradaptasi.
- [Beware of Gadget Addiction: Being More Fully Present in the Real World](https://danieel.id/en/beware-of-gadget-addiction-being-more-fully-present-in-the-real-world/): Personal reflection on attention, family relationships, and digital habits.
- [Hati-Hati Kecanduan Gadget: Hadir Lebih Utuh di Dunia Nyata](https://danieel.id/hati-hati-kecanduan-gadget/): Refleksi personal tentang perhatian, hubungan keluarga, dan kebiasaan digital.
- [14 Most Delicious Culinary Travel Spots in Palembang](https://danieel.id/en/14-most-delicious-culinary-travel-spots-in-palembang/): Personal notes exploring 14 Palembang culinary spots, from burgo, pindang, nasi minyak, pempek, to a durian feast.
- [14 Tempat Wisata Kuliner Palembang Paling Nikmat](https://danieel.id/14-tempat-wisata-kuliner-palembang-paling-nikmat/): Catatan personal menjelajahi 14 tempat wisata kuliner Palembang, dari burgo, pindang, nasi minyak, pempek, hingga pesta duren.
- [18 Easy-to-Apply Tips for a Healthy and Fit Life](https://danieel.id/en/healthy-and-fit-life-tips/): Eighteen realistic tips for a healthy and fit life, covering diet, physical activity, sleep, social relationships, mental health, and faith.
- [18 Tips Hidup Sehat dan Bugar yang Mudah Diterapkan](https://danieel.id/18-tips-hidup-sehat-dan-bugar/): Delapan belas tips hidup sehat dan bugar yang realistis, meliputi pola makan, aktivitas fisik, tidur, hubungan sosial, kesehatan mental, dan keimanan.

## Pages

- [Contact Us](https://danieel.id/en/contact-us/)
- [Hubungi Kami](https://danieel.id/hubungi-kami/)
- [About Me](https://danieel.id/en/about-me/): Hi, I’m Daniel. I was born on the island of Sumatra, Indonesia, in the 1980s.
- [Tentang Saya](https://danieel.id/tentang-saya/): Hai.., saya Daniel. Saya lahir di Pulau Sumatra, Indonesia, pada dekade 1980-an.
- [Terms of Use](https://danieel.id/en/terms-of-use/): Last updated 28 September 2026 These Terms govern access to and use of danieel.id/. By using the site, you agree to these Terms and our Privacy Policy.
- [Privacy Policy](https://danieel.id/en/privacy-policy/): Last updated September 28, 2026 This Privacy Policy explains how the administrator of danieel.id/ (hereinafter referred to as "we") collects, uses, stores, shares, and protects information when you visit https://danieel.id/, subscribe to the newsletter, submit comments, contact us, or use other features on this site.
- [Ketentuan Penggunaan](https://danieel.id/ketentuan-penggunaan/): Terakhir diperbarui 28 September 2026 Ketentuan ini mengatur akses dan penggunaan danieel.id/.
- [Kebijakan Privasi](https://danieel.id/kebijakan-privasi/): Terakhir diperbarui 28 September 2026 Kebijakan Privasi ini menjelaskan cara pengelola danieel.id/ (selanjutnya disebut "kami") mengumpulkan, menggunakan, menyimpan, membagikan, dan melindungi informasi ketika Anda mengunjungi https://danieel.id/, berlangganan newsletter, mengirim komentar, menghubungi kami, atau menggunakan fitur lain pada situs ini.
- [danieel.id: Daniel’s Articles, Notes, and Reflections](https://danieel.id/en/home/): Ever written a long prompt for AI, gotten just the result you wanted, then had to explain everything from scratch the following week?
- [danieel.id: Artikel, Catatan, dan Renungan Daniel](https://danieel.id/): Pelajari 8 tips membuat skill AI untuk tugas berulang di ChatGPT, Gemini, dan Claude, lengkap dengan contoh prompt, pengujian, serta perlindungan data.
- [Blog](https://danieel.id/en/blog/)
- [Blog](https://danieel.id/blog/)

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