Lifetrajectory

3 karma · joined September 9, 2026

I’m Andreas Holzhäuser, founder of LifeTrajectory, a self-taught product builder and father of four. One question is deeply personal to me: What can I do today to remain physically capable, mentally alert, and present for my family for as long as possible?

I hope to live long enough to see my great-grandchildren grow up. That ambition led me to build LifeTrajectory: not as a medical promise, but as a transparent educational tool that turns longevity research into understandable next steps.

Lifetrajectoryon Show HN: Lifetrajectory with calculation, action plans

I have 4 children, love life and hope to live long enough, to see one or two of my great-grandchildren born. That is why, for many years now, I have been exploring, what I can do to live as healthily and actively as possible for as long as possible. Lifetrajectory.live is the result of this exploration

Lifetrajectoryon Waymo pulls over, calls cops on juvenile riders who had 'ghost gun"

Even in the analog world, every situation can be exploited for criminal purposes. The Waymo initiative initially reduces the potential for harm. Is everything else just speculation?

Lifetrajectoryon Growing proof that autonomous cars save lives

In Germany Waymo will only be allowed to use self-driving cars starting in fall 2026

Lifetrajectoryon Growing proof that autonomous cars save lives

Researchers estimate roughly half of human crashes go unreported, and up to one-third of injury accidents, because drivers hope to avoid insurance price hikes: that is an imprtant point.

Lifetrajectoryon Growing proof that autonomous cars save lives

Researchers estimate roughly half of human crashes go unreported, and up to one-third of injury accidents, because drivers hope to avoid insurance price hikes: That is an important point.

Lifetrajectoryon All grown-ups were once children, but only few of them remember it

Your approach helps expand our children's imaginations to such an extent that they learn to think outside the box even at the preschool age, which will enable them to make better decisions in their lives.