This week’s discussion topic will attempt to answer the question: Suppose your Newtonian reflector has a mirror with a diameter of 20 cm and a focal length of 2 m. What magnification do you get with eyepieces whose focal lengths … Continue reading
My second post in my series of weekly discussion topics for my Introduction to Astronomy online class. Last week I got up close and personal with the many sides of the Moon. This week I take a closer look at … Continue reading
http://io9.com/how-two-sentences-overturned-200-years-of-mathematical-1697483698 shortest-known paper in a serious math journal The first comment is super cool. Posted from WordPress for Android via my Samsung smartphone. Please excuse any misspellings. Ciao, Jon
Nothing fancy this year except the date and time stamp of this post. Makes this year extra special. Even my favorite baking supplier got in on the pseudo geek holiday with special shipping sale today only. Tor.com also had a … Continue reading
Good morning! And Happy Birthday to myself. I’ve crossed over. I’ve reached another dreaded milestone. Today is the first day of my fifth decade. To make myself feel better about this dubious event, I’ve reverted to two of my favorite … Continue reading
http://space.io9.com/cryptography-embedded-in-stargate-universe-is-a-lesson-1634445198/1634612853/+rtgonzalez Now I wish I still had Stargate Universe on my DVR. Guess I’ll see if Netflix has it. I should have stuck to my math guns. Cryptography is so cool! Posted from WordPress for Android via my Samsung smartphone. … Continue reading
Mathematicians Urge Colleagues To Refuse To Work For The NSA http://www.forbes.com/sites/kashmirhill/2014/06/05/mathematicians-urge-colleagues-to-refuse-to-work-for-the-nsa/ Food for thought for recent mathematics graduates job seeking.