Green Tech

In a summer where ‘double dip’ refers to the economy as much as to an ice cream treat, and with gas prices at the pump only one of dozens of higher costs associated with increasing oil prices, the need to lessen our dependance on foreign oil is acute. To that end, the environmental group Environment America has launched a campaign called Get Off Oil, and has a Facebook and Twitter presence dedicated to the cause. The focus, according to their Twitter feed, is: Why get off oil? Cleaner environment, less vulnerable to instability in the Middle East, save $$, increased…

Yesterday my cell phone battery was dead just after lunch – poor signal combined with heavy use killed it quickly. That is a tale all-too familiar to many. But imagine if walking could help recharge your devices, or typing on your phone screen? That is exactly the technology being described in the new edition of the technical journal Advanced Functional Materials. Here are some details: This ANU article quotes lead co-author Dr. Madhu Bhaskaran from RMIT: This is the first time we have been able to say that applying a particular amount of pressure will create specific values of voltage…

I have been lucky in my current job that in addition to making cell phone screens more durable and presentation projectors that can fit in your pocket, I have also been able to work on things with specific objectives of cleaning up the environment. It is satisfying when work you love also benefits the planet. At the same time I have friends who have still been unable to find work that is at the level they had before the recession, some still burning through savings and others working at whatever they can find. So it was interesting to read “Top…