Got personal laser defence just in time. Playing vanilla Deathworld but all biter sliders turned up to one tick below maximum. I can't believe I am still alive on this hell planet. :
The personal laser defense - Page 1 - Factorio Forums
Personal Laser mod - Factorio Mods
Personal Laser Defense - Perhaps the best offense? At least until Behemoth biters anyway... - YouTube
When the personal laser "defense" kicks in: : r/factorio
The Power of Personal Laser Defense - Factorio - YouTube
The personal laser defense - Page 1 - Factorio Forums
Personal laser defense (research) - Factorio Wiki
When you finally get personal laser defense : r/factorio
Steam Community :: Guide :: Perimeter Defenses for New Players
6 Personal laser defenses ripping through a nest : r/factorio