All stories*

205 quick stories on the rack · #tech
7 min

How Your Phone Decides Which CPU Cores to Sleep

Your phone's chip runs continuous triage on its cores to stretch battery life. The logic behind those decision…

LPLeo Park
5 min

How Game Engines Triage Lighting to Save Frame Rate

When frame rate drops, game engines follow a strict priority stack, cutting the most expensive lighting first,…

LPLeo Park
5 min

Why Video Calls Get Priority Over File Downloads

Your phone runs a quiet priority system that keeps video calls smooth while background downloads wait. The mec…

SISana Iqbal
4 min

Game Engines and Off-Screen NPC Culling

The moment your camera looks away, NPCs quietly freeze, or nearly so. The logic running 60 times per second th…

SISana Iqbal
5 min

Why Game Engines Give Nearby Objects More Physics

Game engines run a quiet triage every frame, simulating nearby objects in full and letting distant ones sleep.…

SISana Iqbal
6 min

What Your Smartphone Camera Actually Does to Your Photos

Your phone makes hundreds of editorial decisions before you see the image. Understanding the pipeline changes …

LPLeo Park
4 min

Why Game Explosions Look Different Every Time

Same grenade, same spot, two different results. Game engines use seeded randomness to keep explosions feeling …

SISana Iqbal
7 min

How Phones Choose Which Background Apps to Kill

Your phone kills background apps through a ranked priority system, not at random. The mechanism, and why your …

SISana Iqbal
5 min

Game Engine Audio Prioritization Under Memory Pressure

When RAM runs low, game engines score every active sound and cull the losers. The logic is deliberate, invisib…

LPLeo Park
5 min

Why Phones Reassign Bluetooth Priority with Multiple Devices

Your earbuds keep losing to your laptop. The actual mechanism behind Bluetooth priority, and the fixes that ge…

LPLeo Park
6 min

How Game Engines Prioritize Cloth Physics Simulation

When 40 characters crowd a scene, your GPU can't simulate every cape. The priority logic game engines use to d…

LPLeo Park
4 min

Why Screen Protectors Fool Your Phone's Light Sensor

That screen protector is lying to your phone's ambient light sensor, making it think rooms are darker than the…

SISana Iqbal