energy

Tag archives for energy

“The results of my observation are best explained by the assumption that a radiation of very great penetrating power enters our atmosphere from above.” -Victor Hess You might think of the largest and most powerful particle accelerators in the world — places like SLAC, Fermilab and the Large Hadron Collider — as the source of…

“It followed from the special theory of relativity that mass and energy are both but different manifestations of the same thing — a somewhat unfamiliar conception for the average mind.” -Albert Einstein You’ve heard and seen it plenty of times: Einstein’s most famous equation, E = mc2. I’ve taken you inside this equation before, which…

“As seismologists gained more experience from earthquake records, it became obvious that the problem could not be reduced to a single peak acceleration. In fact, a full frequency of vibrations occurs.” -Charles Francis Richter You’ve all been around long enough to be familiar with the severe damage that earthquakes can cause, rattling and cracking the…

“Orbiting Earth in spaceship, I saw how beautiful our planet is. People, let us preserve and increase beauty, not destroy it!” -Yuri Gagarin Fifty-two years ago today, the first human being left Earth, and we began our journey into outer space. But back in 1961, we didn’t really know how far outer space stretched, or…

How many colors are really in a rainbow?

“The colors of a rainbow so pretty in the sky. Are also on the faces of people going by.” -Louis Armstrong It’s no secret that white light is the light that we see when all the colors shine together and are seen at once. This has been known for over 400 years, when Isaac Newton…

The Physics of an Inclined Treadmill

A bad day for your ego is a great day for your soul. -Jillian Michaels One of the most popular exercises at the gym is the treadmill. And why wouldn’t it be? Whether you’re running or walking, it’s a great way to get your heart rate up, get your body moving, and for many people,…

Will the LHC Create Dark Matter?

Hector writes in and asks about someone from Sheffield in the UK who says that the Large Hadron Collider (LHC) will create Dark Matter: The massive ATLAS detector will measure the debris from collisions occurring in the Large Hadron Collider (LHC) which recreates the conditions found in the early universe during the Big Bang when…

Someone Hates Inflation!

Warning: Crazy talk ahead. Some of you may remember that I wrote about inflation and why its alternatives fail awhile back. Apparently, Louise Riofrio didn’t get the memo. When there’s misinformation about cosmology out there, it’s up to me to set the record straight. (And I am not alone.) Let me first remind you about…

Dark Matter: Anything Practical About It?

Yesterday, my good friend (and SWAB reader) Brian wrote a great comment about the practical reasons to explore space, where he talked about the overall economic impact that Space Exploration has had on the economy, as well as the impact it has had on our knowledge and understanding of the Earth, its environment, and how…

So, what’s the deal with this one? startswithabang.com reader Scott Stuart asks the following question: I was reading “The First Three Minutes” last night and came across an interesting section about blackbody radiation and energy density. The author states that as the universe expands, the number of photons running around (in the CMB, for example)…