The Challenge of the 21st Century – Reflections on 2,000 Postings to this Blog Site

March 28, 2017 – It has been seven years of writing, this journey of mine. Today marks the 2,000 entry to the site which I began back in October of 2009. I’ve enjoyed sharing ... Continue Reading →

Fuel Cells That Can Run Indefinitely Powered by Bacteria

March 27, 2017 – For $39.99 U.S. you can try this technology yourself, purchasing the MudWatt (TM) Microbial Fuel Cell Kit. Meant to be a classroom learning tool, this kit (seen ... Continue Reading →

Gizmos & Gadgets: A Scalable Ion Engine That Could Transform Space Travel

March 26, 2017 – Accion Systems, a Boston, Massachusetts-based technology company, has developed a space propulsion system that uses electric fields and ions to move spacecraft. ... Continue Reading →

Gizmos & Gadgets: Applying Origami to Robotics Has Significant Advantages

March 25, 2017 – Transformers are toys that change from cars into bipedal machines. They make for great movies and toys. But there is another side to the idea behind them. What ... Continue Reading →

What Will Our Homes Look Like by the Year 2100?

March 23, 2017 – With today’s posting we welcome back Susan Finch, a freelance writer who has provided content here on three previous occasions. Susan writes about small ... Continue Reading →

Latest Laptop Ban on Flights from Middle East and African Origins May Create Fire in the Hold Threat

March 22, 2017 – Sometimes I think that the new Trump administration is really a Marx Brothers’ comedy sketch. See the 1932 film, Duck Soup, if you want to get my drift. ... Continue Reading →

WMO, Doctors and Climate Scientists See Trump Presidency as a Climate Change Disaster

March 21, 2017 – It is spring in the Northern Hemisphere starting today, a beautiful day here in Toronto where I live. That’s the local weather and not the global climate ... Continue Reading →

Dubai is Going to Have the First 3D-Printed Skyscraper

March 20, 2017 – It appears 3D printing has moved from the industrial workbench and home hobbyist to the world of large-scale building construction. No longer are we to be impressed ... Continue Reading →

Will We Shrink in Size as the Earth Warms Up?

March 18, 2017 – When you take a baby out on a cold winter morning you layer the clothes on for him or her more than for yourself. Why? Because smaller warm-blooded creatures ... Continue Reading →

CO2 from Aircraft Only One Part of the Industry’s Greenhouse Gas Problem

March 18, 2017 – Last October I posted information here about an agreement by 191 country members of the International Civil Aviation Organization (ICAO) to adopt a carbon emission ... Continue Reading →