The price of e-books is a permanent never ending experiment. Bid and demand lead the prices, and those forces determine the cost of every product, whether about oil, milk or digital book. Amazon and BN.com give higher royalties for books priced between $2.99 and $9.99, because that is a very good range. The most bought […]

Ladder line is kind of parallel wires used for antennas that keeps distance between them. For a characteristic impedance of 450 Ohms with two parallel copper wires, the centers of the leads must be apart in about 1.725 inches. Commercial products commonly have spacing of 3.5 inches but you can easily create other distance if […]

How many words make a good sentence length? Not everything is as easy as it seems, and it clearly affects the readability of your texts. Many style guides stress the need to vary the sentence length so that the whole text does not sound flat. What then is the ideal? Usually one aims for around […]

Jumping into the books about Warhammer 40,000 can seem scary at first, but here is the secret: there is not only one “right” way to do it. The world stretches through many authors, different times, groups of factions and timelines that cross in unexpected spots. The good news? Most of the 40k stories stand well […]