This morning, I was laying in bed thinking about the sound the sun makes. Do you know that nobody has heard the sun? Sound waves need matter to propagate and space is a vacuum. If sound could travel in a vacuum, would the sun make enough noise that we could hear it?
Light gets from the Sun to the Earth in 8.4 minutes.
Sound would 14 years to make the same trip assuming sea level atmosphere all the way to the sun. However, add an iron rod between the Earth to the Sun, and noise would only take 343 days to make the trip because iron carries sound nearly 15 times faster than air.
Here is a list of readings that I’ve compiled for my classes and students over the years on topics relating to the intersection of technology and disaster, crisis, risk management. This list is kept current as older material becomes obsolete and new materials is available. Let me know what you think are solid reference materials on these topics. Continue reading Where to find more information
I stopped wearing a watch when I got in the habit of checking my cell phone or looking at a wall clock for time. I’ve also stopped wearing accessories (bracelets, rings, earrings and so on). Really, at this time in my life, I’ve also stopped wearing ties. The JawBone UP24 didn’t even stay on my wrist as It got in the way when I typed.
My big debate when the Apple Watch was announced was if I would wear it. Dropping $400 on something I may or may not use is a tough call. I already tried Google Glass and it didn’t stick. Continue reading Apple Watch and Google Glass
I get asked about my favorite interview questions. Over the years, I’ve been compiling a list of my core questions into a master list. This makes it really handy when either prepping to conduct an interview as the interviewer or interviewee. Continue reading Interview Questions
The #HeForShe campaign reminded me of all the ways that men and women are not treated the same way — for better and worse. One area we can do better is the image advertising projects about how we are supposed to be. I posted a blog on image manipulation before with some good example. Here’s a new example: