Author Archives: M. Eric Carr

Celsius Intuition

Posted on 2012-05-02 by M. Eric Carr

Developing intuition about temperature in degrees C is not always easy for those of us in the U.S… Continue reading →

Posted in Math, Science | Leave a comment

Ugly hack of the week

Posted on 2012-04-17 by M. Eric Carr

A lack of 74LS245s leads to an ugly-but-effective design hack… Continue reading →

Posted in Digital, DrACo/Z80, Drexel, Hacks | Leave a comment

Earth Hour

Posted on 2012-03-31 by M. Eric Carr

Earth Hour is a reminder to conserve power — and think of other ways to protect the environment. Continue reading →

Posted in Current Events, Digital Citizenship | Leave a comment

Decommissioning the Space Shuttle fleet

Posted on 2012-03-30 by M. Eric Carr

After some thirty years of service, the Space Shuttle program is closing down, sending the five orbiters into retirement. Continue reading →

Posted in Current Events, Nostalgia | Leave a comment