How 'Sailing Stones' Move Themselves Across Death Valley(m.core77.com)

http://m.core77.com/blog/transportation/scientist_figures_out_how_those_big-ass_sailing_stones_move_themselves_across_death_valley_25038.asp

2 comments

gvickers13년 전

How would just the area around the rocks freeze? Why doesent this happen in more places if this is the case?

proksoup13년 전

So that's how they built the pyramids.