On the wall or on your phone Tells you to be somewhere or be at home The mayans had one that said In year two thousand and twelve we'd all be dead

Riddle me this: a ringtone for Archimedes' heart?

I move through the night without a sound, Where I step, no footprint is found. Wrapped in shadows, a blade by my side, In the smoke and the silence, I choose to hide. What am I?

Thales of Miletus studied some aspects with amber and with certain types of rocks. Maxwell put it all together in four tidy equations. It is the dominant force in the interactions of atoms and molecules. Start with how democracies select their leaders. Next is a legal acronym to stop a harmful act. Next is slang for something wonderful, then the thing a basketball goes through. Finish with the singular of are and a single letter by itself.

Demanded by tyrants, Granted freely by streams, Let us honor the fallen, Who live on in our dreams