What is a Prador in Neil Asher's Polity novels?
In Neil Asher's Polity novels, the Prador are a race of highly advanced and aggressive crustacean-like aliens. They are known for their extreme physical strength, sharp claws, and an arsenal of biological weapons that make them formidable opponents. The Prador are organized into a strict hierarchical society, with a ruling class of King Pradors at the top.

In the Polity universe, the Prador are a major threat to humanity and other species in the galaxy, as they are expansionist and ruthless in their pursuit of power and resources. The conflict between the Prador and other species is a recurring theme throughout many of Asher's novels, including the Spatterjay trilogy and the Owner series.
How to paint a renaissance classical portrait painting step by step?
Painting a Renaissance classical portrait requires a lot of attention to detail and skill. Here are some general steps you can follow to create a portrait in the style of the Renaissance:

Choose your materials: Decide what type of paint you want to use (oil, acrylic, etc.) and select a canvas or panel to paint on. Consider the size of the canvas and the colors you will be using.

Sketch the composition: Use a pencil to lightly sketch out the composition of your portrait. Determine the placement of the subject's features, the proportions of their face, and the overall composition of the painting.

Block in the colors: Using a light wash of paint, block in the basic colors of the portrait. Pay close attention to the values of each color and ensure that they are accurate to the subject.

Build up the layers: Begin to add layers of paint, starting with the shadows and gradually building up to the highlights. Use a small brush to add details, such as wrinkles or facial hair.

Refine the details: Once the basic structure of the portrait is complete, it's time to refine the details. Pay close attention to the subject's eyes, nose, and mouth, as these features are crucial to creating a lifelike portrait.

Work on the background: Finally, work on the background of the portrait. Choose a color or scene that complements the subject and adds depth to the painting.

Finishing touches: Once the painting is complete, take a step back and examine it from a distance. Make any final adjustments and add any finishing touches that may be necessary.

Remember, painting a Renaissance classical portrait requires patience and attention to detail. Don't rush the process, take your time and enjoy the creative journey.
What properties define a Renaissance painting, making it different from other methods?