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With metals running low, scientists look to space

We use metals for so many different purposes that a list would go on page after page. The most common and most well known are iron and aluminum. It just happens that these are the two most abundant metals in Earth’s crust. Read More

Kilauea eruption is classic example of ‘gentle’ volcano

Even with as much publicity as the current Puna eruption has garnered, there is still some misunderstanding about Kilauea Volcano’s eruptive behavior. Read More

Theories on Earth’s shape continue to fall flat

The recent surge in debate among supposedly educated people about the shape of planet Earth is surprising, considering Eratosthenes, an ancient Greek scientist, measured its circumference 22 centuries ago. Read More

Containment is main difficulty with fusion power

Thermonuclear reactions deep in the sun’s interior consistently generate the same amount of energy as 2.5 billion 500-megawatt generators, the largest on Earth. Read More

Star-studded event of the year unearths scientific gold mine

The Science magazine event of the year was the collision of two neutron stars. This event, the first ever detected, produced both light and gravitational waves. Read More
 

Annual Geminid meteor shower highlights unusual space object

If the sky is not cloudy tonight and the air is not too cold, it might be worth a few minutes to have a look in the southern sky for the meteoric streaks of light from the Geminid shower. Read More
 

Research hints at healing potential of bioelectricity

Luigi Galvani discovered bioelectricity in the late 1770s when he began to experiment with muscular contraction of frog’s legs by electrical stimulation. Read More

Asteroid’s unusual orbit hints at new type of heavenly object

Asteroids are common in our solar system, but astronomers have never seen one from outside the solar system, until now. Read More

Crystals show multifaceted qualities of inorganic solids

Crystals are everywhere. With few exceptions the solid inorganic substances that make up our world are crystalline. This includes rocks, minerals, ceramics and metals. Read More

Excellent view of total solar eclipse is worth the trip

My wife and I recently returned from watching the total solar eclipse on Aug. 21. Having been aware of the event and seeking ideal viewing sites since summer of 2016, we made arrangements and reservations that would have been impossible at a later time. Read More

Gravitational waves offer astronomical revelations

In Einstein’s theory of general relativity, gravity is not a force as it was in Newton’s description. In Newton’s view, gravity was due to the attraction of two masses according to the size of the masses and the distance between them. Read More

The creation and shapes of proteins are still unknown

Proteins are the most important of all biochemicals. They are involved in nearly all bodily processes in one way or another. Read More

Smell works more like a sixth sense sometimes

To humans, the sense of smell has a direct link to emotions. Who among us has not, at one time or another, had a memory and its associated feelings come rushing at us when catching a whiff of a perfume, theater popcorn or one of thousands of smells that we associate with events from our past? Read More

Recent ‘king tides’ caused by a combination of factors

‘King tides” is a colloquial term for the highest occurring tides. They are a type of spring tides, which have nothing to do with spring, but rather the position of the sun and moon. Read More

Seeing the smallest objects requires humongous energy

It is an interesting aspect of the universe and an ironic sense of unity that it requires more energy to see smaller objects. This is the result of the properties of waves in general and specifically the nature of electromagnetic waves. Read More

Magnetic ‘magic’ offers a cool way to charge, cook

Charging a cellphone on an induction pad seems like magic, and in a way it is. Induction is a feature of electromagnetism that Michael Faraday stated in 1831, now known as Faraday’s law. It is the basis for much of modern electrical and electronic technology. Read More

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