Looking to buy ad space on science websites, preferably Physics focused. I would also consider Engineering sites depending on the content. Strongly prefer sites that discuss particle physics, nanotechnology, photonics, lasers, and optics. Will to consider any kind of website related to these topics (do not spam me with unrelated websites, you'll just end up on my ignore list). To speed things up, include stats and prices when contacting me, and the URL of course.