so my boss comes to me and tells me I have over a week in vacation time left and that i must take it the last week of the year-it will not roll over. So who am i to argue, i have been off the last week and still have a day to take in january….i have found my stress level has dropped to nothing—so i guess it is job related—–hahahah..well i still have 3 days off–wooohooo
its been nice being away from the helpdesk…but back to the ole coal mine tomorrow……..gezz
The other day a caller, I asked him to click on his start button on his desktop. He asked where on his desktop was that, then said he was looking behind his stapler….gezzzz I explained the TV screen in front of you is your desktop……He then said oh I see it now.
The defining feature of a black hole, the event horizon, is a surface in spacetime that marks a point of no return. Once an object has crossed this surface there is no way that it can return to the other side. Consequently, anything inside this surface is completely hidden from observers outside. Other than this the event horizon is a completely normal part of space, with no special features that would allow someone falling into the a black hole to know when he would cross the horizon. The event horizon is not a solid surface, and does not obstruct or slow down matter or radiation that is traveling towards the region within the event horizon.
Outside of the event horizon, the gravitational field is identical to the field produced by any other spherically symmetric object of the same mass. The popular conception of black holes as “sucking” things in is false: objects can maintain an orbit around black holes indefinitely, provided they stay outside the photon sphere (described below), and also ignoring the effects of gravatational radiation, which causes orbiting objects to lose energy, similar to the effect of electromatic radiation.
I like this definition–it kinda reminds me of my job! more to come
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