One of the great things I got to do with my series, The Epherium Chronicles, was use and explain some really cool technology. In Embrace, railguns are the primary weapon of choice for Earth combat vessels.
Check out my blog post on Carina Press's website:
http://carinapress.com/blog/2014/05/...on-t-d-wilson/
There are more posts on my blog, but take a look at Embrace and let me know what you think. Here are the links to all the online retailers.
http://wormholesandswords.blogspot.com/p/blog-page.html