How close does an object have to be to earth to be pulled by gravity?

Pulled from Quora, here is one of the best, and most popular, answers to a question. Written by Mark Eichenlaub, a graduate student in physics. How close does an object have to be to earth to be pulled by gravity? This question doesn’t have a direct answer because, for lack of a less-direct way of …

The top 10 cities for travel in 2012 – from Lonely Planet

London Muscat, Oman Bengaluru (Bangalore), India Cádiz, Spain Stockholm, Sweden Guimarães, Portugal Santiago, Chile Hong Kong Orlando, Florida Darwin, Australia A few of the explanations: Bengaluru – The undisputed Elvis of South Asian megacities, Bengaluru is in a class of its own when it comes to redefining flamboyance. Perpetually drunk on the good life, this South …

Life on Mars is possible – for cave dwellers

A study of the biology and geology of Mars, from the Australian National University, shows there is plenty of room for life on Mars. Granted, much of that room is in caves just below the planet’s surface, and much of that life will likely be microbes rather than little green men. But here’s the kicker — fully …

Charles Dickens London

I’ve got a little trip coming up for Amy’s birthday and was browsing around on airbnb. We’re hoping to find a nice little cottage in Santa Barbara for a few days. Anyway, I found their blog and this great post on Charles Dickens’ 200th birthday on February 17, 2012. Doubtless, the dour Victorian author would …

How much do you think it costs to travel on the Surfing World Tour?

You make the world tour, have 11 stops around the world and some cash to be made…. so, did ya ever wonder how much it would cost to travel the world tour?   Stop 1 – Gold Coast for the Quikkie Pro – roundtrip airfare, food, lodging, transportation: $2000 Stop 2 – LAX to Melbourne …

Vivek Express – new train connects India over 2,600 miles in 83 hours

A fascinating new podcast for travelers/adventurers talks about the Vivek Express which starts in the far North East of India and travels all the way to the southern tip. It has 52 stops, takes 83 hours, and travels over 4,200 kilometers. It is the 8th longest train in the world. The cost to ride is …

SpaceX manifesto: transparency, low prices, and worldwide dominance for the future of space travel

I recognize that our prices shatter the historical cost models of government-led developments, but these prices are not arbitrary, premised on capturing a dominant share of the market, or “teaser” rates meant to lure in an eager market only to be increased later. These prices are based on known costs and a demonstrated track record, …