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Pacemakers Without Batteries — Coming Soon

Pacemakers Without Batteries — Coming Soon

My father-in-law had a cardiac pacemaker implanted when he was in his mid-80s. He had it replaced after about 5 years because the battery failed. This is a common occurrence and even though pacemakers have become smaller, the battery represents the single component in the form factor that restricts them from becoming really tiny while at the same time requires them to be replaced periodically.

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The Post-Productive Economy

The Post-Productive Economy

Take a look at these farm houses which I saw under construction in remote areas of Yunnan province China. They were not unusual; farmsteads this size were everywhere in rural China. Note the scale of these massive buildings.

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