NGC 3766CruxGacruxMimosaAcrux- The main objective of the freestarcharts website is to provide quality star charts for use by amateur astronomers under a “Creative Commons License”. What that means is you are basically free to download, use and/or distribute this work for non-commercial purposes with appropriate attribution. A simple credit of “www.freestarcharts.com” is all that’s required as attribution. You can also create and distribute derived works if they follow the same license. https://freestarcharts.com/contact
- The author distributes the charts in PDF format, and I converted to SVG for use on this site. I recommend downloading the original PDF for printing.
- A brief history of liquid computers (royalsocietypublishing.org)
A substrate does not have to be solid to compute. It is possible to make a computer purely from a liquid. I demonstrate this using a variety of experimental prototypes where a liquid carries signals, actuates mechanical computing devices and hosts chemical reactions.