China on Wednesday reaffirmed its sovereignty over the Diaoyu Island and adjacent islets as well as the Nansha islands, saying it will firmly respond to any challenge to its sovereignty and national security. P
You can significantly increase your home’s value by making simple changes to improve its energy efficiency. Consider upgrading to energy-efficient appliances that consume less electricity and reduce utility bills. Another great option is installing programmable thermostats that allow you to regulate tempe...
It begins by innovation to cut the costs of renewable energy below the cost of coal. We need innovators and investors willing to tackle that challenge – not those who believe it can’t be done! PS I detailed ways to make methanol from renewable resources in 1976. Methanol: its synthesis,...
Here’s the challenge: the bulb is lit by an electric cord. The cord can be played with by a cat and then the gourd can be dropped to the floor and broken. We want to avoid that problem. I wish we could figure out a way to light our luminaries with a battery and be done with...
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