sunlight

Harvesting energy from sunlight

What if there were a two-for-one sale on kilowatts? Your power bill would be cut in half — not a bad result for your monthly budget. Energy drives everything we produce and consume, and global energy consumption continues to grow year after year. The two-for-one image came to mind as I talked with Professor Jeanne […]

Vitamin D levels can be checked

My mother lives with me and I’m involved in her medical care. She’s a tough cookie. But like many 88-year-olds, she has several health problems. We visit her doctor at least once a month to report what’s working and what isn’t doing the trick. Recently the doctor ordered blood work that showed she was low […]

Light Overcoming the Darkness

There’s good news all around us. On March 20 we’ll be hitting the first day of spring, known to us geeks as the spring equinox. That’s the point when those of us living on the northern half of the Earth finally start to see daylight overwhelm the darkness of winter.