Thursday, March 19, 2020

Electromagnets essays

Electromagnets essays Hans Christian Oersted was the first scientist to study electromagnetism. He was a physics professor at the University of Copenhagen. In 1819 he discovered that a magnetic needle is deflected at right angles to a wire carrying an electric current, thus initiating the study of electromagnetism. This discovery, which showed a connection between electricity and magnetism, was followed up by the French scientist Andr Marie Ampre, who studied the forces between wires carrying electric currents, and by the French physicist Dominique Franà §ois Jean Arago, who magnetized a piece of iron by placing it near a current-carrying wire. In 1831 the English scientist Michael Faraday discovered that moving a magnet near a wire induces an electric current in that wire, the inverse effect to that found by Oersted: Oersted showed that an electric current creates a magnetic field, while Faraday showed that a magnetic field can be used to create an electric current. The English physicist James Clerk Maxwell, who predicted the existence of electromagnetic waves and identified light as an electromagnetic phenomenon, achieved the full unification of the theories of electricity and magnetism. The Briton William Sturgeon invented the first electromagnet in 1823. An electromagnet is a temporary magnet, where the magnetic field only exists when electric current if flowing. An electromagnet is a device consisting of a solenoid (usually a cylindrical coil of insulated wire wound in the form of a helix), in which an iron core is placed. An electric current passed through the coil induces a strong magnetic field along the axis of the helix. When the iron core is placed in this field, microscopic domains that can be considered small permanent magnets in the iron align themselves in the direction of the field, thus increasing greatly the strength of the magnetic field produced by the solenoid. The electric current around the sol ...

Monday, March 2, 2020

What is the Cost of a Professional Author Website

What is the Cost of a Professional Author Website What is the Cost of a Professional Author Website? If you’ve spent any amount of time on Reedsy, you will have hopefully heard us talk about the importance of having an author website. And, ideally, you will already know how self-publishing authors need a site that’s more sophisticated than a Tumblr page - which is why many of them will, at some point, work with professional web designers. But the big question is: how much does this cost? Find out the average cost of professional web design services for authors! Since the summer of 2017, Reedsy has connected hundreds of authors with professional website designers - many of whom have worked for the world’s largest publishers (and some of their biggest authors) to create awesome-looking sites. Based on the data we’ve pulled from all those collaborations, we can now reveal the average cost of working with a professional web designer on your author site.How much does web design cost on Reedsy?The following represents the cost of web design projects on the Reedsy marketplace since mid-2017. The values are given in US dollars.10 Tips on How to Make an Author Website (+ Bonus Checklist) Read post 59% included some degree of branding or design. This means adapting visual assets from the author’s press materials (usually the cover design, etc) and working to create a cohesive author brand across the site.51% included a newsletter sign-up and lead magnet. We would perhaps expect this to be higher. In our opinion, this is the most important feature of an author website.52% involved Search Engine Optimization (SEO) work. The trouble with a lot of DIY website services is that they often let the site owner make rudimentary mistakes which will affect people’s ability to find them online.34% involved updating an existing website. In most of these cases, the author has drafted in a pro to help them add features (such as the lead magnet), optimize the SEO, and/or provide a more polished design.So what can you learn from this? If we were to leave you with one piece of advice it would be to consider what you want from your site before you send a request to designers. Take in spiration from other authors’ sites and if you’re still not sure, simply ask the web designers for their advice. They’d much rather help you meet your needs than oversell you on something you don’t need. With their help, you can create a site that’s not only beautiful and easy-to-use but will help you grow your writing career.To connect with the best freelance author site designers, head to the Reedsy Marketplace and sign up for a free account.