Gradient sunglasses are two-tone sunglasses, which makes them ideal for wearing both indoors and outdoors. A metal oxide is added to the lens material to create the difference in tones. The top ...

Color gradient filament is fun stuff to play with. It lets you make 3D prints that slowly fade from one color to another along the Z-axis. [David Gozzard] wanted to do some printing with this effect, ...

Are America’s Best States Red or Blue? What makes a good state? Ahead of what’s sure to be a hotly contested presidential election in November, partisans are likely to be disappointed with the answer ...

Do you love books and reading? If you do, this is the badge for you! Find out how to apply for the Blue Peter Book badge now. To earn this badge all you need to do is tell us about a book you've ...

A morphogen is a type of signalling molecule that imparts pattern to a developmental field by acting directly on cells in a concentration-dependent manner. The best-studied model system for ...

Blue-chip stocks are a cornerstone of most successful investing strategies. That's because these companies are large, stable and respected organizations that can withstand the test of time. While ...

“Blue zones” may hold the secret to living to 100 and beyond. That’s what National Geographic Explorer Dan Buettner found. Since 2004, Buettner has been studying places that not only have high ...

The graphs of \(y = 2x + 1\) and \(y = 2x - 2\) are shown below. The graph of \(y = 2x + 1\) crosses the \(y\)-axis at (0, 1). The graph of \(y = 2x - 2\) crosses the ...