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Archive By Author - Rudi Kiefer


Earth Sense: Be careful with choices for re-painting house

These last spring days are a good time to check on the status of the paint protecting the house siding.

June 03, 2017 | Rudi Kiefer | Local


Earth Sense: Recycling old material can pay off

For some reason, late spring is always the time when I need to make another metal recycling run. Aluminum cans from someone's Coke habit have accumulated. Food cans, made of steel, are recyclable also, although at a lesser value than aluminum.

May 28, 2017 | Rudi Kiefer | Columnists


Earth Sense: Stone Mountain one of many ‘inselbergs’ in US

Easy to reach from Gainesville via Tucker, Stone Mountain Park makes for a fascinating weekend trip.

May 20, 2017 | Rudi Kiefer | Columnists


Earth Sense: Memories of China seen in snapshots

The first thing that one notices when arriving in China is the population. Wherever you go, lots of people are already there.

May 14, 2017 | Rudi Kiefer | Columnists


Turbulence not a reason to be alarmed about flying in a plane

As far as accident statistics are concerned, commercial flights are the safest way to travel. It's understandable, of course, that passengers are uneasy when the ride gets bouncy. This is especially noticeable in small planes like turboprops used by many airlines to handle short-distance connections.

May 06, 2017 | Rudi Kiefer | Columnists


Earth Sense: Karst formations are something for which Georgia can be proud

If you were asked to name one of Georgia's most outstanding products of features, what would it be? Peaches? Peanuts? Chicken? The fact that Georgia has some of the most spectacular karst landscapes in the U.S. deserves to be mentioned.

April 30, 2017 | Rudi Kiefer | Columnists


Earth Sense: Hurricanes’ impact is usually unpredictable

Hurricane season starts a few weeks from now. With all the news about climatic change, it raises the question whether we'll have more hurricanes than ever. Will they be more powerful? And most importantly, which land areas will they invade?

April 23, 2017 | Rudi Kiefer | Columnists


Earth Sense: Temperature inversions impair visibility, foil the air

Quite soon, cold nights will be a thing of the past for a while. That's true for temperature inversions as well. On a cloud-free evening, it's easy to spot an inversion building up.

April 15, 2017 | Rudi Kiefer | Columnists


Earth Sense: Seepage more dangerous than flooding in N. Georgia

Few areas in Hall County are safer from flooding than downtown Lula. At a 1,315-foot altitude, its Main Street follows the Eastern Continental Divide.

April 09, 2017 | Rudi Kiefer | Columnists


Earth Sense: Dams face risk of breaking due to large earthquakes

With a height of 770 feet, California's Oroville Dam is the tallest in the U.S., and it's still teetering on the edge of disaster.

April 02, 2017 | Rudi Kiefer | Columnists


Earth Sense: Scooters provide an exciting ride through busy traffic

Strolling through the streets in Wuhu, China, is an exciting experience. Most people haven't ever heard of this city, but that makes it a "small town" only in Chinese conversation. With 1.5 million residents, it's a good deal bigger than Atlanta.

March 25, 2017 | Rudi Kiefer | Columnists


Earth Sense: Hard water OK to drink, not for cleaning

Rain can come down hard at times, and yet a chemist will tell you it's soft. The difference between "hard water" and "soft water" is an important one.

March 19, 2017 | Rudi Kiefer | Columnists


Earth Sense: Rivers, lakes highlight Siberian tundra

Flying over the frozen vastness of the Siberian tundra, en route to China, isn't colorful at this time of the year. Almost everything is covered by snow or ice, and the landscape is mostly flat.

March 11, 2017 | Rudi Kiefer | Columnists


Earth Sense: Barrier islands remain vulnerable to storms

You can't admire a sunset while gazing out over the ocean at the Georgia coast. Evening sun is on the other side.

March 04, 2017 | Rudi Kiefer | Columnists


Earth Sense: Energy-efficient lighting requires prior homework

Even the most energy-conscious homeowners may want some security lighting in the front and backyard. There's no need to turn the place into a football field. But the walkway to the house is safer when one can see it at night and avoid tripping over the kid's tricycle.

February 26, 2017 | Rudi Kiefer | Columnists


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Articles By Author - Rudi Kiefer


Earth Sense: Leave extra room for motorcyclists on road

Motorcycles are an interesting study in physics. To people who've never been on a bike, it's a riddle how "these things" remain upright ...

June 17, 2017 | Rudi Kiefer | Columnists


Earth Sense: Check of history shows big variations in temperatures

It's difficult to see the presence or absence of climatic change from looking at temperature records alone, as a quick analysis of data has ...

June 11, 2017 | Rudi Kiefer | Local


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