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What Is Roll20 Dynamic Lighting and How to Use It?

Dynamic lighting is one of the aspects that makes Roll20 such an appealing platform for tabletop games. It allows game masters to create boundaries like doors and walls that players cannot pass through–perfect for when you need to drop players into a labyrinth for a challenge.  That said, dynamic lighting isn’t always easy to understand,

Under-skin sensor uses bits of gold to show bloodstream drug levels

When a patient is receiving medication, it can be difficult to determine how much of the drug is actually making its way into their bloodstream. A new subdermal “tattoo” could help, thanks to its color-changing gold nanoparticles. Continue Reading Category: Medical, Science Tags: Johannes Gutenberg University Mainz, Biosensors, Medication, Gold, Nanoparticles, New Atlas Audio