The ingenious minds at Primitive Technology investigate iron smelting efficiency by comparing square and hexagonal furnace designs in a primitive lab.

Roland Reisley is the last original client of Frank Lloyd Wright, still living in the Usonian home designed by the famed ...

Test your knowledge of taxicab geometry, triangular numbers, the golden ratio and more.

But in 1947, a mathematician named Claude Ambrose Rogers offered a different perspective. Start with any lattice, he said — even a suboptimal one. Rather than draw a sphere around each point, draw an ...

The defected ground with four slots is designed to obtain wide bandwidth. The presented antenna achieves impedance bandwidth of 9GHz (3.1GHz-12.1GHz). The gain of antenna is improved from 2.6dBi to ...

What can you learn from a tree's leaves? Discover how leaf shapes, edges, patterns, and more can help you identify a tree in the forest.

Be compact (square, rectangular, hexagonal), not irregularly shaped. Be contiguous – keeping neighboring communities together. Not be drawn to favor or disfavor any political party.