Gather all materials first, then remove old flashing Pry, chisel and scrape off old metal flashings and roofing cement. Before you do anything, get your ladder, roof brackets and safety harness set up ...

Our existing patio was built over a sand and compacted gravel base, so we removed only the stones necessary to dig the 12-in. diameter holes to secure the posts. You’ll most likely have a different ...

A new method for quantifying grandeur is reshuffling the pecking order of the planet’s most impressive peaks. Turns out ...

As a result of the tetrahedral symmetry of the lattice, a diamond crystal typically contains NV centers in four orientations.

The cracks, which stretch from Wanale Hill and snake through the communities, continue to widen as heavy rains pound the ...

A massive collector of classic GM muscle, this New Jersey man built one of the coolest collections of great cars over the past half a century; some are for sale ...

The current methods for attitude determination are Star Trackers, sun sensors, magnetometers, and gyroscopes. We would like ...

The Next Generation, captures the science behind elite strike fighter training with unprecedented access to the U.S. Navy’s toughest fighter pilot school. The final phase incorporates six months of ...

Gross margin measures the percentage of revenue after direct costs are subtracted. Calculating gross margin involves subtracting COGS from revenue and dividing by total revenue. High gross margin ...

PRICE: $300, including one year of the Smart Laser subscription, which renews at $200 per year. Optional $450 bundle includes ...

Every year from September to October, the automotive market always sees a wave of "promotional frenzy"—rainbow arches at 4S dealerships, "flash sales" in live streams, and "zero-interest loans" in ...

The latest research indicates that the Moon is not a silent desert; its surface and interior are still 'active'. A team led ...