What is Zettelkasten? A Book Review of ‘How to Take Smart Notes’ by Sönke Ahrens

This book is the best book in the English language on the Zettelkasten information storage technique, mostly because it is the only in the English language on Zettelkasten, which is the German word for "slip-box"—as in a box where index cards are stored. 20th-century social scientist Niklas Luhmann who used this technique to write 70 … Continue reading What is Zettelkasten? A Book Review of ‘How to Take Smart Notes’ by Sönke Ahrens

Life begins at forty (a poem for Jacob)

I write this post to wish the happiest of happy birthdays to my brother in all but genetics Jacob Edward Kulp who today reaches two score years.  The day that I turned around in 10th grade biology and asked you about the strange card game you were shuffling has altered the entire course of my life. Without … Continue reading Life begins at forty (a poem for Jacob)