There are plenty of guns sold, machine guns haven’t been sold as new since 1986 and have had a special process for purchase since the 1930s.

You definitely cannot buy a machine gun in Walmart…

"As a global operating system, it’s important that these names are clear and relatable for everyone in the world. So, this next release of Android will simply use the version number and be called Android 10. "

https://blog.google/products/android/evolving-android-brand/

Those are internal code names only, they haven’t had public facing sweet code names since Android 9.

What were the code names for Android 10-15?

Bad posture is also a symptom of a greater muscle imbalance or weakness, not necessarily something you should focus on changing on it’s own.

I had very bad posture, but once I started going to the gym and strength training and built a more balanced base of strength, my posture improved greatly on it’s own. At least I have noticed significant difference.

Hunched shoulders can be corrected somewhat just by exercising the back with pulling exercises like lat pulldowns, pullups, and rows.

Lower back issues can be helped by training dead lifts, good form for that exercise is extremely important though.

Of course you should also include some yoga and stretching in your routine too, that has numerous benefits. I would recommend getting a personal trainer if you’ve never been to the gym before to teach you to do exercises correctly until you’re comfortable on your own.

Wars have been fought over spices you can now buy in a grocery store for $5, less than an hours work at minimum wage. It’s quite incredible when you think about it.

Helium by volume is lighter than air. That metric is called density.

So if you displace the volume in your lungs with helium that weighs less than the air that’s usually there, you will weigh less.

Physics!

Love this. Reminds me of this one

https://youtu.be/XF_ASJs6JBY

Automotive relays have built in back emf protection diodes.