This paper follows up on a previous study showing that in an open atmosphere such as the solar corona the total magnetic helicity of a force-free field must be bounded and the accumulation of magnetic helicity in excess of its

The very massive star system $\eta$ Carinae exhibits regular 5.54-year (2024-day) period disruptive events in wavebands ranging from the radio to X-ray.

That's the name of today's brain-teasing website at FamilyFirst.Come on, start with Afghanistan and work your way all the way down to Zambia.What, geography isn't your forte?That's okay. How about colors? How many colors could you name in five minutes?There's

Every entrepreneur is always thinking about the issue of funding. Running out of money is one of the common reasons why startups with great potential close down. The right amount of money at the right time is crucial. Young entrepreneurs

Founded by four recent graduates of the University of Washington, Spottago is an online service that shows apartment listings near college campuses on an online map. It also displays how close those apartments are to bars, restaurants and grocery stores,

I always tell people that what distinguishes Silicon Valley is not its successes, but the way in which it deals with failures." Randy Komisar explains in a video, brought to you from the Stanford Technology Ventures Program, that failure is

For those of us who've been tearing our hair out trying to keep track of what our politicians believe in order to make an informed voting decision, VoteGopher.com has been nothing short of a godsend. The brainchild of rising Harvard

When confidence and self-esteem are healthy and highly functional, the ability to adapt to new challenges and different environments come fairly easily. Fear of change is a major obstacle to personal empowerment. There are many reasons for this, and I...