Mathematics of scale: Big, small and everything in between

Breathe. As your lungs expand, air fills 500 million tiny alveoli, each a fraction of a millimeter across. As you exhale, these millions of tiny breaths merge effortlessly through larger and larger airways into one ultimate ...

Darpa seeks new power dynamic for continuation of Moore's Law

Computational capability is an enabler for nearly every military system.  But computational capability is increasingly limited by power requirements and the constraints on the ability to dissipate heat.  One particular ...

How many lakes are there, and how big are they?

Because of the important role lakes play in regional and local biogeochemical cycling, including carbon storage and emissions, scientists need to know how many lakes of various sizes exist. However, determining the size distribution ...

A mathematical understanding of project schedules

Complex projects are made up of many activities, the duration of which vary according to a power law; this model can be used to predict overall project duration and delay.

Internet warriors hone skills at Black Hat - DefCon

Internet warriors are gathering this week to explore chinks in the armors of computers, bank teller machines, mobile phones, power grids, and other "smart" devices intrinsic to modern life.

Physicists study mechanics of 'crackling'

(PhysOrg.com) -- Everywhere around us, things "crackle" -- from Rice Krispies in a puddle of milk, to crumpled pieces of paper, to the Earth's crust from earthquakes. Physics is helping us understand what this familiar noise ...

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