Tech Guides

Step-by-step tech guides for computers, phones, apps and gadgets: fixes, settings, commands and explanations in plain language.

A marijuana plant turning yellow usually points to a nutrient problem, a watering issue or a pH imbalance, though late in flowering…

September 1, 20267 min read

To turn off Avast antivirus temporarily, open the Avast app, go to Protection or Settings, and choose to stop or pause the…

September 1, 20266 min read

How many neutrons does Na have? Sodium-23 has 12. See how to work it out from atomic number and mass number, plus…

September 1, 20267 min read

Why are earwigs so bad this year? Usually because damp, mild weather and plenty of sheltered hiding places help them survive and…

September 1, 20267 min read

How do you find axis of symmetry for a parabola? Use x = -b/(2a). See worked examples, a step-by-step routine and common…

September 1, 20267 min read

Germany has no general, nationwide speed limit on its autobahns, but many sections do have posted limits, so any autobahn speed limit…

September 1, 20267 min read

Caffeine in large mocha frappe drinks varies by recipe and country. Learn what adds caffeine, how to check official nutrition data and…

September 1, 20267 min read

What did Vikings wear in winter? Learn about wool layers, cloaks, fur, leather shoes and how Norse people kept warm in the…

September 1, 20268 min read

Why is salt put on icy roads? It lowers the freezing point of water so ice melts. Learn how it works, where…

September 1, 20267 min read

The countries of the Western Hemisphere are mainly those of North, Central and South America and the Caribbean, plus a few places…

September 1, 20268 min read