Main Page

Wikimedia Commons

Picture of the day

Interrupted Reading by French artist Jean-Baptiste-Camille Corot. Today is World Book Day.

Media of the day

Preparation of amorphous silicon (1) and magnesium silicide (2), upon reduction of powdered sand with magnesium powder:

   (1) SiO2(s) + 2Mg(s) = Si(s) + 2MgO(s); and
   (2) 2Mg(s) + Si(s) = Mg2Si(s).

The reaction described by (1) is initiated by heating; then it is self-sustained and is highly exoenergetic.

Problems playing the file?

Participating

Browsing?: Please use the search box at the top of this page or the links to the rightthe links further down. Feel free to subscribe to our syndicated feeds.
Using?: To fulfill the free license requirements, please read our Reuse guide. You can also request a file.
Identifying?: Have a browse through Category:Unidentified subjects. If you find something you can identify, write a note on the item's talk page.
Creating?: Check out all you need to know at our Contributing your own work guide.
and more!

Discussion?: See the list of discussion pages.; To explore more ways you can contribute to this project, check out the Community Portal.

Wiki Loves Africa

Upload your local culture photos during Wiki Loves Africa 2025. Learn more about the contest!

Monthly photo challenge

Take some photos and upload them to meet our monthly thematic challenge, get inspiration and try new subjects! Learn more about the challenges!

Highlights

If you are browsing Commons for the first time, you may want to start with Featured pictures, Quality images, Valued images or Featured media.

You can also see some work created by our highly skilled contributors in Meet our photographers and Meet our illustrators. You may also be interested in Picture of the Year.