Related topics: wikileaks

Self-sorting through molecular geometries

Researchers at Kanazawa University report in Communications Chemistry that certain pentagonal and hexagonal organic molecules exhibit self-sorting. The effect can be used to grow multilayered tubular structures that preserve ...

Pentagon reveals cyber breach of travel records

The Pentagon on Friday said there has been a cyber breach of Defense Department travel records that compromised the personal information and credit card data of U.S. military and civilian personnel.

Trump wants a Space Force, but Pentagon has different idea

President Donald Trump wants a Space Force, a new military service he says is needed to ensure American dominance in space. But the idea is gaining little traction at the Pentagon, where the president's defense chief, Jim ...

Pentagon adopts new cellphone restrictions

After months of debate, the Defense Department approved Monday new restrictions for the use of cellphones and some other electronic devices in the Pentagon where classified information is present or discussed. But officials ...

Pentagon mum on fate of secret satellite

The mystery surrounding the fate of a secret military satellite deepened Thursday when the Pentagon refused to answer even simple questions about whether the mission to launch it had gone awry.

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Pentagon

In geometry, a pentagon (from pente, which is Greek for the number 5) is any five-sided polygon. A pentagon may be simple or self-intersecting. The sum of the internal angles in a simple pentagon is 540°. A pentagram is an example of a self-intersecting pentagon.

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