The Personal Blog of Perttu Lähteenlahti

Personal blog of Perttu Lähteenlahti. For more developer oriented posts checkout perttu.dev

Successful Rapid Prototyping With React Native

6 min read

This is a transcript of a lightning talk I gave at React Day Berlin in 2019. You can watch the talk here, and download the presentation…

How to succeed in life

1 min read

Even though defining success in life is highly subjective, certain features often predict success in life, especially when it comes to money…

VCs and Deep Tech: im14andthisisdeeptech

3 min read

The word “deep tech” gets thrown around a lot these days. It feels every investor and their grandma is looking for deep tech companies to…

Running React Native apps on specific iOS simulators

2 min read

If you’re developing React Native apps for iOS you’re most likely familiar with this command: In most cases that command opens up the iPhone…

Best Books About the Tech World

4 min read

Getting into the tech scene, the world of startups, investors, and technology; is challenging if you didn’t study engineering or business. I…

App Store release checklist

4 min read

Releasing to App store Getting your mobile app published in the App Store is simple in theory but tedious in practice. During the past nine…

Iowa Gambling Task – Simulating real-life decision-making with card games

6 min read

Decision-making is perhaps one of the most exciting capabilities of human cognition. At the same time, it also one of the most difficult…

Crosstalk in Stereoscopic Displays – Why 3D Movies Look Weird

17 min read

Remember 3D TVs? Remember how the TV manufacturers tried to ship the idea of wearing goggles at home while watching TV, so you could…

What I read in 2018

13 min read

disclaimer, this list was originally a list of tweets The Accidental Billionaires: The Founding of Facebook, a Tale of Sex, Money, Genius…

That's How I Got to Memphis

2 min read

If you love somebody enough You’ll follow wherever they go That’s how I got to Memphis So goes the country song written by Tom T. Hall in…

Too Old to Learn Code

4 min read

I wrote my first line of code in 2014 and a year later I founded my first software consultancy. Since that, I’ve founded two other…

What is Strategy?

3 min read

“We gotta have a strategy. Let’s have a weekend for planning a strategy!” What the fuck is a strategy? Everyone’s heard of strategy, but not…

Designing for Healthier Life

6 min read

Four approaches to designing digital services that persuade your user to live a healthier life Changing your habits from unhealthy to…

Designing a winning hackathon concept

6 min read

Using a service design mindset to win hackathons The nature of hackathons has changed during the past years and hackathons are no longer…

Opas hackathoneja voittavien palvelukonseptien suunnitteluun

4 min read

Palvelumuotoilun ajatusmaailmalla hackathonien voittoon Hackathonien luonne on muuttunut viimeisten kolmen vuoden aikana. On päästy melko…

I Fucking Hate My Job

3 min read

Dear manager, this goes to both you and me. You know why people quit? Because they hate their job? Because they get paid more somewhere else…

Key to Unlocking Creativity: Sleep

5 min read

What you should know about sleep to boost your creativity A couple of weeks ago Luova Aalto organized an event about the interplay of sleep…

Hackathon Diaries: Energy Efficiency Hackathon

6 min read

One rather unusual hackathon about energy efficiency ⚡️ Premise Sometime around early January I came around one rather odd looking website…

Hackathon Diaries: Royal Hackaway

5 min read

First part in our series of trips to hackathons around the world What is the difference between a hackathon in Finland and one in UK? I…

Hackathon Diaries: Kuohu Creative hackathon

5 min read

Can you do creative business development in a hackathon? Premise Last weekend we participated in one of the most exciting hackathons in a…

Hackathon Diaries: Talking Plants with Fiskars

7 min read

Circular economy and the future of gardening Premise “Has anyone ever done any gardening?” The question echoed in our office for a short…

Miten Perfekt City tehtiin

3 min read

Miten avoimen datan avulla luotiin työkalu kaupunkisuunnitteluun Viime Heinäkuussa törmäsimme sattumalta työkaverini kanssa Ultrahackin ja…

I hack, therefore I am?

7 min read

Some stories and thoughts from hackathons If everything goes as planned, I will be attending my 50th hackathon this year. For those who don…

Hackathon Diaries: Oulu 5GFWD hackathon

6 min read

Virtual classrooms, hospital experiences, and factories of tomorrow How to hack with 5G networks in mind? How do you manage three teams and…

Intelligenzia ry:n tiedote Helsingin yliopiston kognitiotieteen tilasta 5.2.2016

2 min read

Kognitiotieteen tuleva sijoittuminen on ollut avoinna jo keväästä 2015, kun psykologian ja logopedian muuttoa lääketieteelliseen…

List of Quotes I like

1 min read

“There are all these people bragging about how they’re survivors, as though that’s something very special. But the only kind of person who…

Tiedote kognitiotieteilijöille 8.12.2015

2 min read

Kognitiotiede osana tiedekuntamuutosta ja Isoa pyörää Helsingin yliopistossa liikkeellä oleva Iso pyörä sekä tiedekuntauudistukset saavat…

The Role of Designers’ Subjective Interpretations in Human-centered Design

15 min read

Interpretation is the basis of radical innovation Design is the process of making sense of things, as well as solving the problems that are…

Defining Touchpoints in Service Design

13 min read

Services are by nature intangible, which can be seen as the defining concept that distinguishes them from products. Despite their nature, it…

Avoin Kirje Käyttäytymistieteellisen Tiedekunnan Dekaanille

2 min read

Aloite kognitiotieteen oppiaineen ja tieteenalan jatkuvuuden takaamiseksi käynnissä olevassa tiedekuntamuutoksessa Arvon dekaani, Kevään…

Psykologian siirtyminen lääketieteelliseen tiedekuntaan ja miten tämä vaikuttaa kognitiotieteeseen

4 min read

Tänään järjestetyssä psykologian oppiaineryhmän kokouksessa käytiin lävitse huhuja mahdollisesta psykologian oppiaineen siirtymisestä…