Blogs

All Children are Copernicus

Tuesday, June 21, 2016, by kcline

As a parent of four young children, I’ve seen how kids start out as self-centered little people, and then gradually become more and more aware of the larger world around them.  The way that children discover that they are not the center of the world is a lot like t

Finding Evidence of the Big Bang

Friday, January 2, 2015, by kcline

One hundred years ago, most scientists and philosophers thought that our universe had always been here.  They thought our universe was infinitely old, that it had no beginning.  Then, in 1927 a young Roman Catholic priest and scientist, Father Georges Lemaitre used

Ancient mathematics is eternally true

Thursday, December 4, 2014, by kcline

Most of the science books written two thousand years ago in ancient Greece turned out to be spectacularly wrong.  However, ancient discoveries in mathematics remain as true today as they were back then.  Why?  How is it possible that the ancients would get science so wrong, but math so right?

Ancient mathematics is eternally true

Thursday, December 4, 0014, by kcline

Most of the science books written two thousand years ago in ancient Greece turned out to be spectacularly wrong.  However, ancient discoveries in mathematics remain as true today as they were back then.  Why?  How is it possible that the ancients would get science so wrong, but math so right?

The Secret Codes Inside the Internet

Friday, November 21, 2014, by kcline

It would be almost impossible to buy something online today without an amazing discovery in mathematics that happened in the 1970s.  When I order a book from amazon.com my computer puts my credit card number into code, using a powerful branch of mathematics which d

Discovering the Science of Sound at ExplorationWorks

Wednesday, November 19, 2014, by kcline

Every time I take my kids to our Helena ExplorationWorks science museum, I am amazed at how much fun they have and how much they learn in just an hour or two.  At ExplorationWorks, they turn key scientific ideas into something that a four year old can put his hands on and play with.

Why is the Earth magnetic?

Wednesday, November 5, 2014, by kcline

The Earth has a powerful magnetic field, which is why a compass needle will always point north, no matter where you go. The strange thing is that our neighboring planets are not magnetic. Venus, Mars and even our moon do not have big organized magnetic fields.

A Scientific Heretic Proposed that the Continents Move

Thursday, October 23, 2014, by kcline

One hundred years ago, geologists agreed that the Earth’s continents never moved.  Overturning that scientific consensus required an outlandish heretic, a man who didn’t even have a degree in geology, but who could piece together a strange collection of evidence to create the radical new theory o

How are black holes born?

Saturday, October 11, 2014, by kcline

A black hole is an object with gravity so strong that nothing, not even light can escape from it.  Astronomers have identified about a dozen black holes in our Milky Way galaxy, and they think that there are millions of others out there waiting to be discovered.  How are black holes created?  Wha

A grain of sand takes the record for the oldest rock in the world

Tuesday, October 7, 2014, by kcline

Recently, a team of geologists at the University of Wisconsin, Madison announced that they have measured the age of a tiny crystal from Australia, and found it to be the oldest rock ever discovered on Earth.  This little blue grain of sand is 4.37 billion years old, which gives us some amazing cl