What's a black hole?
This is my homework every weekend What’s a black hole?…
Research and Teaching
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About backing up
My last backup was this morning using FreeFileSync (download at…
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New technical report uploaded
Dear friends, I just updated my Research Gate and Academia profile…
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SuaraGEA goes digital
Sore sore waktu Sydney, terima email kejutan dr GEA View…
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That's what I like about you
Dear friends, Joyful Fiat 500 commercial: https://www.youtube.com/watch?v=7nLPXCBxYRA The song played…
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Research topics
Geology is way far beyond oil and gas. Silahkan di…
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Hydrogeology Section: Register your interests
Call for interest The following topics are opened for undergraduate…
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Studium Generale: Remote sensing for environmental purposes
(image: Sky, private collection) Pengumuman ceramah ilmiah dr Pak Asep…
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Lake Jindebyne, NSW
On paper using snowman v5 ballpoint and rotring mech pencil…
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Another Lake Jindebyne. NSW
@ Lake Jindabyne with PutryErwin and Billa 😊 View on…