Why did the Universe start off with Hydrogen, Helium, and not much else?

“I see a lot of new faces. But, you know the old saying, ‘out with the old, in with the nucleus.’” –The Simpsons Looking around the Universe today, there’s no doubt that there’s plenty of hydrogen and helium around; after all, it’s the nuclear fusion of hydrogen into helium that powers the vast majority of stars … Read moreWhy did the Universe start off with Hydrogen, Helium, and not much else?

Why the World Will Run Out of Helium

“I have this one little saying, when things get too heavy just call me helium, the lightest known gas to man.” –Jimi Hendrix Hendrix, as I told you once before, was almost right. We know of helium, conventionally, as the lighter-than-air gas that we fill balloons, blimps and zeppelins with in order to quickly and easily … Read moreWhy the World Will Run Out of Helium

Weekend Diversion: Be Safe, Be Free!

“If you want total security, go to prison. There you’re fed, clothed, given medical care and so on. The only thing lacking… is freedom.” –Dwight Eisenhower One of the greatest feelings is the freedom to travel, whether by your own power or a mechanical motor, far faster than your own legs can take you. Kimya … Read moreWeekend Diversion: Be Safe, Be Free!