After fiddling with Furnaces and my own inventory I got these floating tooltips that doesn't seem to want to go away so soon. I don't know exactly how I got them.

http://i.imgur.com/U98Mesz.jpg

Edit: They remained even after quiting to Main Menu.
http://i.imgur.com/qgo7049.png

Inserters only insert items into Furnaces and Boilers if there is less than 5 of that item. Don't know if it is any different with the other types of Inserters. About the converyor belts, you have to have in mind that the items put in them can be on the right side, on the left side or in the middle ...

Thanks for the quick response, everybody. After exploring the menus and finding the great map generator I'm almost ashamed I made thread. The solution I found is to make a map in Map Creator, put the player in a good spot and save. Then I could start a Custom Map using the one I created. A suggestio...

I can't find any stone in Alpha 0.2.6.3266.
Tried and died 5 times after running out of ammo and constantly running around. Lot's and lot's of normal mineral deposits but no stone. What do? I really wanted to play the "infinite" (no time and tech restriction) version of the game.