Questions and Answers
First blog. Here begins an adventure that I had been wanting to start for a long time (years).
Who are we?
is created by Rodrigo Alcaraz de la Osa in 2020 as a website where to share mainly 📚 Physics and Chemistry notes and 🤝 tutorials.
In 2021 it transitions to a more impersonal website, better prepared and open for future collaborations. Click here if you want to meet the team behind it.
Why this blog?
Our main intention with this website is to provide 📚 Physics and Chemistry notes to our students and to anyone else who might be interested, as well as sharing 🤝 tutorials and collect 🔗 online resources.
We think that a blog is the perfect addition to be able to debate about news with a much more dynamic content.
What are we going to talk about on this blog?
In this blog you will find opinion articles, curiosities about science in general and posts related to our interests, which include, among others:
- ✈️ Travel
- 🎸 Music
- 🎮 Video games
- ⚛️ Photons
Who is this blog for?
The posts in this blog are aimed at our students and anyone else who is curious about science and/or shares any of our interests.
How can you get involved?
Do you know Discord? Join the Discord server of and start participating in the website by commenting, giving your opinion, making requests, suggestions, etc.
If you wish to acknowledge and praise our effort, encouraging us to continue preparing quality materials, you can buy us a coffee using the PayPal service. All the coffees will be used to pay for and to continue improving .
You can also share all the blog posts and 📚 notes on your favorite social networks.
If you don’t want to miss any updates you can subscribe to the Telegram channel (in Spanish) or the RSS feed.
Also, you can write us either using the contact form or from Twitter. You can also follow us on Instagram or Pinterest.
We hope you enjoy this space and that it’s useful to you. Feel free to join in whenever you like. We are in touch, my friend.
✍️ Scientific School Calendar
365 Anniversaries of Scientific and Technological Events.
✍️ ☢️ Radioactive ☢️
COMING SOON Analysis of the Last Film About Madame Curie.
✍️ How pure do you want your copper, young man?
COMING SOON We have 99% and 99.9%. 100%? Are you sure? If you bring to pay? It’s going to take a little while.
✍️ Color Contrast
Color Contrast on Both Black and White.
✍️ Periodic Table of Elements
Periodic Table of Elements With Basic Information and in High Resolution.
Actively participate in the website by commenting, giving your opinion, making requests, suggestions...