$ 48. 8 billion of us spending is on defense.
$ 48. 8 billion of us spending is on defense.
how much of us spending is on defense?
$ 48. 8 billion
section::::government spending.:mandatory and discretionary spending (united states).









































the united states federal budget includes mandatory spending, discretionary spending, and interest on debt. in the united states in 2017, mandatory spending totaled $2.5 trillion or 13.1% of gdp and included social security $939 billion or 4.9% of gdp, medicare 591 billion or 3.1% gdp, medicaid $375 billion or 2.0% of gdp, and other 614 billion or 3.2% gdp. discretionary spending totaled $1.2 trillion or 6.3% of gdp and included defense 590 billion or 3.1%gdp, and nondefense 610 billion or 3.2% gdp. interest on debt totaled 263 billion representing 1.4% of gdp.









































section::::government spending.:mandatory and discretionary spending (united states).:health care.
comparison of canadian and american economies
the programmable parts are stirred randomly on an air-hockey table by randomly actuated air jets. when they collide and stick, they can communicate and decide whether to stay stuck, or if and when to detach. local interaction rules can be devised and optimized to guide the robots to make any desired global shape. more information can be found at the programmable parts web page.









































superbot (2006)
self-reconfiguring modular robot