Jose Calleja

Senior Web Developer @Brave
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Que vivir te quite el sueño y que soñar te mantenga vivo.

[Jose Calleja @josece]

me mamaba Clear hace 10 años, pero prefiero para Android, así que pues no es opción

[Jose Calleja @josece]

no puede ser que en pleno 2026 esté usando whatsapp para hacer mis listas de pendientes para ir a comprar cosas.... alguna sugerencia que no sea todoist?

[Jose Calleja @josece]

Tal vez soy solo yo pero me sentiría más cómodo si un agente de IA me dijera que es IA en lugar de aparentar ser humano y tratar de convencerme, en contexto de telemarketing me refiero.

[Jose Calleja @josece]

@RepDeFiFidonia como desveo esto?

[Jose Calleja @josece]

después de 11 semanas sin escalar por la fractura, regresé a darle al muro

[Jose Calleja @josece]

@mdzol Dicen por ahí que:
"El que mucho abarca, poco aprieta"

[Aakash Gupta @aakashgupta]

Your brain has a circuit that doesn't know you live in a city. Its only job is to monitor whether birds are still singing. Right now, in this room, it is on.

The circuit predates primates. Mammals have been using ambient soundscape continuity as a predator-detection system for roughly 200 million years. Birds stop singing when something larger moves through their territory. For most of mammalian history, a forest full of song meant no large predator was nearby, and the cessation of sound was the warning. Your nervous system never updated this software.

The Max Planck Institute tested the inverse in 2022 with 295 participants. Six minutes of birdsong dropped anxiety with a medium effect size. Six minutes of traffic noise raised depression with the same. The effect worked on subjects who lived in dense urban environments and had no regular contact with nature. The brain still ran the check.

Birdsong sits in the 1,000 to 8,000 Hz range. Your brainstem reads continuous patterns in that band as a signal that nothing dangerous is currently moving through the environment. EEG data shows birdsong at 45 to 50 decibels boosts alpha wave activity by 14.1% relative to silence. Alpha is the brainwave signature of relaxed alertness. Push the same birdsong above 60 decibels and the response flips. Stress markers rise 29%. The circuit only trusts the signal at the volume of quiet conversation, which is exactly the volume birds sing at from a typical distance.

Three things happen simultaneously when the brain registers ambient safety. The amygdala downregulates. The parasympathetic nervous system takes over from the sympathetic. Heart rate variability rises, cortisol drops. The posterior cingulate cortex, which sits at the center of the rumination circuit, quiets down. King's College London tracked this through a smartphone study with over 1,200 participants and found the mood lift lasted hours after the sound stopped. People diagnosed with depression got the same response as healthy controls.

Most of what gets labeled mental fatigue is hypervigilance running in the background. Birdsong tells the circuit it can stand down, and the brain reallocates the freed compute everywhere else.

A quiet park feels different from a quiet office because the parks have sentinels.

[Jose Calleja @josece]

@smsantos31 totalmente jajaj

[Jose Calleja @josece]

creo que me duele más el tobillo ahora que no tengo yeso.. damn…

[Noah @NoahKingJr]

Me to Claude: "Make no errors. DO NOT HALLUCINATE. YOU ARE AN EXPERT SOFTWARE ENGINEER "

[Brave Nightly @BraveNightly]

@AkauteDlatrac No, one purchase gives you 10 activations you can use across multiple devices

[Jose Calleja @josece]

@Rodoo la neta

[Jose Calleja @josece]

en qué momento esto se volvió un cúmulo de slop, textos largos de mierda motivacional estilo linkedIn, generado AI y solo para farmear interacciones. hueva.

[Jose Calleja @josece]

@kshvbgde That's quite the range

[Jose Calleja @josece]

qué terrible es la calidad de Spotify vs FLAC... Tidal por su parte está bastante bien, aunque tampoco está al nivel de un archivo descargado.

[Jose Calleja @josece]

@Variety and yet they messed up with the house dimensions and window positioning.

[Jose Calleja @josece]

@TeamYouTube llevo 3 días sin poder ver videos con la cuenta por la que pago google suite. Me sale la leyenda: "este contenido no está disponible. inténtalo de nuevo más tarde"

[Jose Calleja @josece]

ptm, por andar dándole puro me divierte ahora mi feed de Facebook son 90% publicaciones de la claudia y su pandilla