Blog Archive
Fifty contrast checks against the colour system — and what they caught › Auditing the Lights
Jul 2026
Last month I wrote about the five-palette colour system behind this site. This week I finally did what I should have done then: computed the WCAG contrast ratio for every semantic colour, in every palette, in both light and dark mode. Fifty checks. Ten failed.
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What reaction time reveals about suprathreshold hearing › Listening Beyond the Audiogram
Jun 2026
An audiogram measures what becomes audible. Reaction times to spectral and temporal changes can show what happens after that: how efficiently a listener uses audible sound.
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The NVKF sets course for appropriate medical technology › Clinical Physics in 2035
Jun 2026
The Dutch Society of Clinical Physics has published its vision for the profession towards 2035. Four themes, one clear direction — and some uncomfortable choices ahead.
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The colour system behind this site — and how to play with it › Switching the Lights
Jun 2026
This site has five named colour palettes and a built-in dark mode. Press p to cycle palettes or d to toggle dark mode — your choice is remembered between visits.
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Levadas, peaks, and the Atlantic in between › Five Walks Across Madeira
Apr 2026
A levada walk above Boaventura, a scramble up Pico Grande, a coastal drive to Madeira's edges, the cliffs of Ponta de São Lourenço by foot and by boat, and the short, crowded, unmissable walk to Pico Ruivo.
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From communities to classrooms — hearing care for all children › World Hearing Day 2026
Mar 2026
Today is World Hearing Day. Ninety million children globally experience hearing loss, and more than 60% of those cases are preventable. This year's WHO theme puts children at the centre. So, coincidentally, does a children's cartoon — and the latter might end up doing more good in a single episode than a decade of public health campaigns.
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On rebuilding crisly.nl as a single home for work, research, and everything else › A New Digital Ecology
Mar 2026
A personal website should hold the whole person. Some notes on why I rebuilt this site from scratch — adding structured research project pages, a runtime theme switcher, and a handful of small design decisions that make the whole thing feel more like a place I want to return to.
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The CRUSH Study: Four Years of Prospective Follow-Up › Hearing Loss and Vestibular Function in Usher Syndrome Type 2A
Mar 2026
Our longitudinal CRUSH study shows measurable hearing progression in USH2a beyond presbycusis, stable speech understanding, and an unexpected pattern of subclinical otolith dysfunction — with implications for follow-up, counseling, and cochlear implant timing.
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Cycling, Street Art, and Culture › May Holiday Adventures Berlin (improved)
Jan 2026
Exploring Berlin by bike during the sunny May holidays—from the iconic East Side Gallery to hidden art hubs and digital wonderlands
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Temporary High-Frequency Conductive Loss, Stable Cochlear Function › Phase 1 Audiological Outcomes of Intratympanic AC102
Nov 2025
A first-in-human phase 1 trial of intratympanic AC102 shows only a transient, volume-dependent conductive loss at high frequencies, with preserved bone conduction and otoacoustic emissions.
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What We Learned from the Largest Cohort of Genotyped CI Recipients › Genetic Insights into Cochlear Implant Outcomes
Jun 2025
New findings from a Dutch cohort reveal that subject-specific factors—not genetic site-of-lesion—best predict CI outcomes.
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Revolutionizing Hearing Healthcare through AI and Digital Solutions › Advancing Teleaudiology with AI: Jan-Willem Wasmann's Thesis Defence
May 2025
A closer look at Jan-Willem Wasmann's PhD thesis on AI-aided teleaudiology and its potential to make hearing care more accessible worldwide.
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Cycling, Street Art, and Culture › May Holiday Adventures Berlin
May 2025
Exploring Berlin by bike during the sunny May holidays—from the iconic East Side Gallery to hidden art hubs and digital wonderlands
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Exploring M42 and the Flame & Horsehead Nebulae › First Light with the Carbonstar 150
Apr 2025
First light images captured with the Apertura Carbonstar 150 Newtonian
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Venturing into Foraxx › North America Nebula
Jul 2023
Colorful monochrome imaging of SHO data
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A day/citytrip to Reykjavik › Rainbow
Nov 2022
Rainbow
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Nebulae › I see stars
Apr 2022
First Light
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ELLIS tells the forgotten story of the immigrants who built America. › Ellis Island
Feb 2021
Ellis Island, gateway of millions of immigrants trying to save themselves in times of war. About all the people that made it and those that didn't.
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Mesmerizing pulsating exploration in dance › Choros
Jan 2021
Choros
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Hearing › What is that sound
Jun 2020
One of the first hearing aids applied
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A young girl has to conquer her fear for her own grandmother, who is terminally ill. › OMA
Jun 2020
A child processes grief while visiting her dying grandmother through dreamlike imagery.
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Mesmerizing pulsating exploration in dance › One Bright Dot
May 2020
A little light rises from the deep sea.
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Himarari-8 watching over us: one year compressed into 16min › Ever changing
Jul 2019
From 20,000 miles up, our home planet is a hypnotic swirl of the familiar and the sublime
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or just a slightly updated one › 'brand' new site
Jul 2019
23 hours › Keeping watch
Jul 2019
about a surgeon who for the first time performed a heart transplant
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Quite a magnificent view › Thunder
Jul 2019
Pilot Flies Above The Thunderstorm To Get A Perfect Shot Of It At 37,000 Feet
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Unraveling Jupyter › Juno
Jul 2016
After a few years of slumbering
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Testing two types of stimuli for Auditory Brainstem Response (ABR) threshold measurements › Auditory Brainstem Response (ABR) threshold measurements
Aug 2015
choices, choices...
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Internation Symposium on Hearing 2015 › ISH 2015
Jul 2015
In a city, far far away
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