Thanks for the tip. I was sitting on a train today and I hit the back security ring against the headrest and the whole headset nearly came off. I was wondering how sturdy it might be. Now I know, thanks!

The time derivative of position is velocity. The derivative of velocity is acceleration. Derive again and you get jerk. Then it’s snap, crackle and pop.

(For those too young, these are the names of those characters they use to sell Rice Krispies)

Worried now as I only got mine last week from a no-brand seller

Open ear bone conduction headphones. Light, affordable, waterproof and safe to bike with. Also good in the office as you can still hear what’s going on whilst listening. Only drawback is they’re pretty quiet and easily defeated by heavy traffic/loud kids etc.

Also not recent but as someone who suffers from tinnitus, a Bluetooth audio sleep mask has improved my quality of life more than any other minor purchase I’ve ever made.

I have to draw this line because it’s actually really important.
Smoking is when someone inhales smoke.
Vaping is when someone inhales vapour.
These are different in more ways than they are similar, but perhaps the most important is the difference in negative health outcomes. Smoking is about twenty times more harmful than vaping.
Vaping is a very effective path away from smoking for those with a nicotine dependency, and it’s counterproductive to attach the same stigma to both, let alone to consider them equivalent.