Exien Blog
Were Notebook Margins Really Invented to Stop Rats?
Probably not. The story that margins were invented so rats would chew blank paper instead of text circulates widely online, but the versions that repeat it don't cite any manuscript, archive, or hist
- Lifestyle
- 18 Oct, 2026
Why Do Winter Hats Have Pom-Poms? A Surprising History
Today the pom-pom on a winter beanie is almost purely decorative. The best-known origin story, that French sailors wore pom-poms to cushion their heads against low ship ceilings, is widely repeated,
- Lifestyle
- 18 Oct, 2026
Which Way Does a Bobby Pin Go? The Wavy Side Explained
The usual advice is to wear a bobby pin with the wavy side down, against your scalp, and the flat side facing out. The ridges are there to catch hair and add grip, while the smooth side lies flat on
- Lifestyle
- 17 Oct, 2026
What Is That Cylinder on Your Laptop Charger Cable?
The chunky cylinder near the end of a laptop charger or monitor cable is a ferrite bead (also called a ferrite choke or ferrite core). Inside the plastic shell is a ring of ferrite, a magnetic cerami
- Technology
- 17 Oct, 2026
Do Micro-Breaks Actually Help When You Work From Home?
Yes, micro-breaks help, but mostly with how you feel rather than how much you get done. A 2022 meta-analysis in PLOS ONE p
- Lifestyle, Technology
- 17 Oct, 2026
Zero Sugar Drinks: Are They Really the Magic Bullet for Weight Loss?
Zero-sugar drinks are not a magic bullet for weight loss. Swapping a regular soda for a zero-sugar one removes a large dose of sugar, and randomized trials show lower calorie intake and body weight w
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