Guides – Sherafgan Khan

Illustration of a person studying at a desk while a network of labeled mental model icons and laws fills the dark background.

25 Laws and Mental Models That Explain How the World Works

July 24, 2026

Some of the most confusing problems in life follow surprisingly predictable patterns. These 25 laws and mental models explain why projects run late, incentives backfire,

Adult at a laptop as many floating task panels narrow into one clear path toward a document, spreadsheet, and website

How to Use AI With ADHD: From Brain Dump to Finished Work

July 22, 2026

As AI handles more bounded computer work, choosing becomes the hard part. This ADHD-friendly guide shows how to move from a brain dump to one

What Is Ghost Font? How Motion-Only Text Exposes an AI Video Blind Spot

July 17, 2026

Ghost Font is not an ordinary typeface. It encodes letters into the movement of thousands of dots, creating words that appear to humans during playback

A parent reviews a research paper and takes notes at a table beside a laptop.

How to Read an Autism Study Without Getting Fooled

July 16, 2026

Autism research can be useful, limited, overhyped, or badly misused in marketing. This guide teaches parents how to find the original study, judge its design,

A person uses a laptop and smartphone surrounded by warning overlays about crypto scams, fake logins, deepfake calls, tech support fraud, and payment requests.

AI Scams in 2026: The 10 New Fraud Tiers, Warning Signs, and Safety Checklist

June 29, 2026

Scams are no longer just bad emails with misspelled words. In 2026, fraudsters can clone voices, fake video calls, build convincing websites, automate phishing, impersonate

A man in a factory studies a digital product design schematic overlaid with a shield icon, a China flag, and supply chain graphics.

How to Protect Your IP in China and Master the Supply Chain

June 8, 2026

A practical 2026 guide to China supply chain IP protection, covering first-to-file trademarks, NNN agreements, supplier segmentation, buyer offices, and innovation speed.

Illustration of journalists and investigators working at computers with maps, reverse image search, spreadsheets, and secure logs in an office.

Open Source Intelligence for Citizen and Investigative Journalists

June 4, 2026

Open source intelligence (OSINT) leverages publicly accessible information like records, satellite imagery, and social media for rigorous investigative work. Essential for journalists, OSINT enhances traditional

A laptop running code next to a circuit board, battery, soldering tools, and test equipment on a cluttered electronics workbench.

How to Turn a Disposable Vape Into a Web Server: A Practical Guide to the Hidden Computer in the Bin

May 29, 2026

An engineer transformed a disposable vape’s microcontroller into a miniature web server, revealing that these single-use devices house powerful computing hardware often discarded prematurely. Using

A man monitors a futuristic server security dashboard showing Fail2Ban status, banned IP addresses, and network traffic flow with blocked and allowed connections.

How to View, Unban, Whitelist, and Manage Banned IP Addresses on an ISPConfig 3 VPS with Apache

May 18, 2026

Step-by-step guide to list banned IP addresses, unblock your IP, whitelist trusted IPs, and troubleshoot Fail2Ban, Apache, SSH, and firewall lockouts on an ISPConfig 3

3D illustration of a purple spherical virus particle with spike-like proteins against a blue microscopic background.

Hantavirus Updates

May 8, 2026

Track the latest verified hantavirus updates, including the MV Hondius cruise-linked cluster, Andes virus concerns, symptoms, transmission risks, and CDC-backed prevention guidance. This living public-health