We ask DIY members to visualize an abstract concept using charts and graphs for the Philosopher Skill. This one takes the cake.

2 days ago 110 notes

thesubatomic:

In chemistry, flame tests are  used to detect the presence of certain elements, primarily metal ions, by analyzing the colour of the flame given off when heated.

Above are Lithium (Li), Strontium (Sr), Sodium (Na), Copper(Cu), and Potassium (K).

1 week ago 2,529 notes