Guides
How-tos, explainers and setup advice.
Guides
Case airflow: which way your fans should blow
Put fans in a 3D PC case and watch the air: intake vs exhaust, positive vs negative pressure, dust and noise.
Guides
How big a TV for your sofa? 30° vs 40° explained
The two viewing-angle standards behind every TV size chart, a distance table and a 3D room to try your own sofa.