Scale, proportion, and quantity belong to one of the cross cutting concepts in the next generation science standards (NGSS). According to Volume 2 of the NGSS, "in engineering, no structure could be conceived much less constructed without the engineer's precise sense of scale." The authors go on to note that scale and proportion are best understood using the scientific practice of working with models. Read more

Liveblogging from the Hi-Tec conference

I'm currently at the Hi-Tec conference in Scottsdale, Arizona. (If you follow me on Twitter - - you may have seen me complaining about the temperature). It's an interesting conference, so I'm going to share some of the things that I'm learning.

Dr. Travis Benanti and Dr. Steve Fonash from Penn State University are presenting an interesting session this morning on nanotechnology.

Luckily, you don't have to know anything about nanotechnology to ... Read more

Congratulations to George Cachianes (who I've written about before), his amazing students from Abraham Lincoln High School, and collaborators at UCSF!

These students, from a public high school no less, placed in the top 6 finalists, along with only one other US team. The other top teams were: Peking University (China), University of Science and Technology (China), University of Paris (France), University of Ljubljana (Slovenia), and UC Berkeley. I'm really impressed that these public high school students managed ... Read more