5 Things You Should Know – Part 402

Here are 5 things you should know.

1. Internet Archive (www.archive.org) is a non-profit library of millions of free books, movies, software, music, websites, and more.

It’s all free content! And a lot of cool stuff you might not even consider, like the “Wayback machine” and audiobooks/old time radio.

www.archive.org

2. If you have a specific question about a scientific field, email an academic expert, they’ll generally respond.

If you’re struggling to understand something, or are have a very specific STEM or classics related question, find an authority who’s published papers in that field and send them a brief polite email. Most people are excited to talk about their research and will respond, as long as you aren’t demanding or rude.

3. If you’re sending anything solid in an envelope by mail (cards, driver’s license, rings, money, etc) you should tape it to a piece of paper.

The machines that are sorting the envelopes rotate really fast so that they spin around a lot. Solid objects could easily cut or tear the envelope and get lost in the machine. And because they are separated from the envelope they could not be assigned to you or the receiver. By taping them on a piece of paper you keep them in the center of the envelope or at least away from its corners, preventing it to be cut. Of course, you also should send important things only as an insured and trackable sending.

4. IMSLP (International Music Score Library Project/Petrucci Music Library) is an online library that contains thousands of free public domain music scores/sheet music and recordings for download.

The Petrucci Music Library is one of the most valuable online cultural resources for both classical musicians and music-lovers.

https://imslp.org/wiki/Main_Page

Beginner musicians often search questionable sites looking for specific classical music pieces that charge you for their sheet music. These are not the “proper” music sheets and are more often than not inaccurate and unfaithful to the original score – unlike the ones found on IMSLP, which in many cases are scans of official scores. Not to mention free.

Even for non-musicians, it is a valuable cultural resource. You may download and listen to recordings of classical music for free as well. It even has a neat feature where you can sort music by nationality.

5. There is an easy way to tell if a AA battery is dead. Drop the battery onto a hard surface from 7-10 cm(3-5 in) high. A charged battery will hit the ground with a thud and either stand straight up or fall directly over. A dead battery will bounce.

Batteries are often wasted when used and unused batteries are confused and they are thrown away. You can easily tell the difference without testing them.

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