Robots for Us

Robots4Us – DARPA Consults with Youth About What Role Robots Should Play

April 9, 2015 – The U.S. Defense Department wants to know what young people think the role robots should play in society. So they have asked American high school students in Grades ... Continue Reading →

It Seems Earth is One of the Only Places Running Out of Freshwater

April 8, 2015 – Water seems to be in the science headlines these days. We have NASA forecasting that California will be out of freshwater in a year while at the same time scientists ... Continue Reading →

Gizmos & Gadgets: New Aluminum Battery Shows Disruptive Promise

April 8, 2015 – Stanford University researchers, publishing in Nature this week, describe a prototype aluminum rechargeable battery that could become the successor to lithium-ion ... Continue Reading →
VASIMR engine

NASA Makes Investments in Deep Space Propulsion Technologies

April 7, 2015 – NASA last week announced its NextSTEP 12 space technology commercial partnerships focused on helping to advance key technologies to move us here on Earth deeper ... Continue Reading →
Indonesia smartphone user

The “Rising Billions” Will Alter the Global Economy in the Next Decade

April 6, 2015 – I’m currently reading Peter Diamandis and Steven Kotler‘s book, Bold: How to Go Big, Create Wealth, and Impact the World. It is a sequel to Abundance ... Continue Reading →
Peak shaving and valley filling

Australian University Develops Battery Energy Storage System for Microgrids

April 5, 2015 – Readers often ask me where I find my sources for the postings on 21st Century Tech blog. My response usually is “from everywhere.” That includes social ... Continue Reading →
Farms like this one can no longer sustain crops or support livestock. Photograph taken by David McNew.

The Future of California

April 4, 2015 – California is America’s market garden, the nation’s fruit and vegetable basket. It produces: 99% of the artichokes. 99% of the walnuts. 98% of the ... Continue Reading →
Nissan Leaf Battery

Falling Battery Prices Making Electric Vehicles More Mainstream

April 3, 2015 – A new study by the Stockholm Environment Institute appearing in the journal Nature Climate Change traces the cost of lithium-ion battery packs for electric vehicles ... Continue Reading →

The Kremlin Announces Greenhouse Gas Reduction Targets

April 2, 2015 – Yesterday I wrote about the New Climate Institute’s report on nations and their pledges to reduce carbon emissions. At the time I reported that Russia had, ... Continue Reading →
Paris Climate 2015

Emission Pledges for Upcoming Paris Climate Summit Will Bring Global Benefits

April 1, 2015 – For the naysayers who are convinced that we cannot end our addiction to fossil fuels without destroying the world economy – April Fools! New analysis of ... Continue Reading →