About me

Hello, I’m Wahyu

Writer. Scientist. Traveler. Speaker.

Welcome to my digital home. If you’ve ever wondered what happens when a passion for technical precision meets a love for creative storytelling, you’re in the right place.

The Professional Side

By day, I immerse myself in the world of vacuum science and Thin Film Deposition. My fascination with Magnetron Sputtering stems from the incredible idea that we can engineer materials at the atomic level to solve global challenges. You’ll find my professional contributions and academic milestones over on my [Publications] page.

The Creative Side

Beyond the lab, I am a firm believer in the power of the written and spoken word. I spend my time:

Writing: Crafting everything from technical guides to personal essays.
Speaking: Helping others overcome the podium's shadow with public speaking tips.
Capturing: Documenting the world through my lens in my [Photo Gallery].

The Human Side

When I’m not analyzing a deposition rate or drafting a new post, I’m likely a few thousand miles from home with a camera in my hand. I travel to learn, to be humbled, and to remind myself that there is always a different way to see the world.

Why I Blog

I started this blog to bridge the gap between different worlds. I wanted a space where I could share a breakthrough in thin-film research alongside a photo of a sunrise in a distant city or a tip on how to handle stage fright.

I believe that being a specialist shouldn’t stop you from being a dreamer. Whether you are here for the science, the stories, or the scenery, I’m glad to have you along for the ride.

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Pentingnya logika dalam hidup - The importance of logic in life

Orang yang tidak mempelajari logika mudah menjadi korban manipulasi yang terdengar masuk akal. Berdasarkan riset dari Stanford Center for the Study of Language and Information, 80% keputusan harian manusia lebih dipengaruhi oleh emosi dan asumsi daripada analisa logis. Inilah sebabnya mengapa iklan menyesatkan, hoaks, dan argumen palsu tetap berpengaruh di masyarakat. Contoh keseharian seperti belanja impulsif karena diskon, debat dengan pasangan yang fokus menang daripada memahami, atau kemarahan terhadap berita viral tanpa klarifikasi, menunjukkan lemahnya landasan berpikir kita. Logika bukan sekadar kemampuan bicara atau hafalan rumus simbolik, tapi keterampilan hidup. Ia berfungsi sebagai pagar pikiran yang melindungi kita dari pengaruh emosi atau pihak yang terlihat meyakinkan tapi sebenarnya menipu. Dalam buku Logika karya Muhammad Nuruddin, dijelaskan bahwa logika adalah alat membedakan mana yang benar-benar benar, bukan sekadar kelihatan benar. Ia bukan untuk m...

Top German Foods

🥪 Northern & Street Classics Fischbrötchen A simple but iconic northern German sandwich with fresh fish (often herring), onions, pickles, and remoulade in a crusty roll. Very popular in Hamburg. Labskaus A sailor’s dish from northern Germany. It’s a mash of corned beef, potatoes, and beetroot, usually served with a fried egg and pickles. Looks unusual, but surprisingly tasty. Currywurst One of Germany’s most famous street foods—sliced sausage topped with curry ketchup and curry powder, usually served with fries. Pretzel ( Brezel ) A baked, twisted bread with a chewy inside and salty crust. A must-have with beer 🍺. 🍖 Hearty Main Dishes Sauerbraten Germany’s national roast. Beef is marinated for days in vinegar and spices, then slow-cooked. Slightly sour, very tender. Eisbein A massive pork knuckle, either boiled or roasted. Crispy skin, soft meat—served with sauerkraut and potatoes. Jägerschnitzel Breaded pork or veal cutlet topped with rich mushroom gravy (“hun...

Trik Jam Tidur

SLEEP TIMING TRICK SO YOU DON’T WAKE UP FEELING EXHAUSTED If you need to wake up at 7 AM Go to sleep at: 21:45 / 23:15 / 00:45 / 02:15 If you need to wake up at 8 AM Go to sleep at: 22:45 / 00:15 / 01:45 / 03:15 If you need to wake up at 6 AM Go to sleep at: 20:45 / 22:15 / 23:45 / 01:15 Why are the times so unusual? Because sleep works in cycles (about 90 minutes). If you wake up in the middle of a cycle, your body will feel more tired. A 90-minute sleep cycle is the basic time unit the brain uses to move through different stages of sleep repeatedly throughout the night. On average, the human body needs about 90 minutes to complete one full cycle—from light sleep to deep sleep, and finally to the dreaming phase. Source: REM NREM sleep cycle

Between Indonesia, Taiwan, and Germany—worlds intertwined

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