View allAll Photos Tagged Icecube
Why do ice cubes grow spikes?
The short explanation is this: as the ice freezes fast under supercooled conditions, the surface can get covered except for a small hole. Water expands when it freezes. As freezing continues, the expanding ice under the surface forces the remaining water up through the hole and it freezes around the edge forming a hollow spike. Eventually, the whole thing freezes and the spike is left.
A slightly longer explanation: the form of the ice crystals depends on the cooling rate and hence on the degree of supercooling. Large supercooling favors sheets which rapidly cover the surface, with some sheets hanging down into the water like curtains. These crystalites tend to join at 60 degrees and leave triangular holes in the surface. Hence, spikes often have a triangular base. The sides of the spike are sometimes a continuation of pre-existing subsurface crystalites, and can extend from the surface at steep angles.
See
www.physics.utoronto.ca/~smorris/edl/icespikes/icespikes....
Photo by Mary de Bruyn
Antarctic Trip Nov 29 - Dec 3 2010.
From U.S. Ambassador Huebner's Blog:
At the South Pole.
It just keeps getting better down here. Early this morning we suited up in our extreme-cold survival gear, followed our friend Dr. Lisa Clough of the National Science Foundation down to the ice airstrip, boarded an LC-130 Hercules, and flew 3 hours inland to the South Pole. For decades the Hercules fleet has been the dependable backbone of the U.S. Antarctic Program, and I thoroughly enjoyed sitting on the flight deck of the old workhorse with the pilot and co-pilot as we soared into the Antarctic interior.
Read more:
blogs.newzealand.usembassy.gov/ambassador/2010/11/at-the-...
This stunning portrait of 1st Lady and Actress LisaRaye was shot in 2000 at the home of Dexter Browne. This shot late prompeted LisaRaye to do a solo calendar that went on to become very successful. Warner Bros. has commissioned some usage for set art on LisaRaye's All Of Us Sitcom.
I stepped onto the front garden from the driveway and banged my head on the flagpole support … ouch !
I put an ice cube in a plastic bag and held it on my head; then I put my sun hat on to hold it in place.
An experiment - I always burn myself on very hot drinks, but I'm rather impatient and once I decide I want tea, I'm no good at waiting for it to cool down. Especially when I make the decision that I need the caffiene hit (dreadful night last night) just a couple of minutes before we have to leave the house. So ice cubes in tea. It kind of worked - but I'm not sure I'm convinced.
Take 1 cube/heart of frozen espresso
Add 1 shot baileys
Add 1/2 shot contrieau
Add 2 shots of milk
Swirl. Sip. Savour.
Why do ice cubes grow spikes?
The short explanation is this: as the ice freezes fast under supercooled conditions, the surface can get covered except for a small hole. Water expands when it freezes. As freezing continues, the expanding ice under the surface forces the remaining water up through the hole and it freezes around the edge forming a hollow spike. Eventually, the whole thing freezes and the spike is left.
A slightly longer explanation: the form of the ice crystals depends on the cooling rate and hence on the degree of supercooling. Large supercooling favors sheets which rapidly cover the surface, with some sheets hanging down into the water like curtains. These crystalites tend to join at 60 degrees and leave triangular holes in the surface. Hence, spikes often have a triangular base. The sides of the spike are sometimes a continuation of pre-existing subsurface crystalites, and can extend from the surface at steep angles.
See
www.physics.utoronto.ca/~smorris/edl/icespikes/icespikes....
Photo by Miles Chen
Antarctic Trip Nov 29 - Dec 3 2010.
From U.S. Ambassador Huebner's Blog:
At the South Pole.
It just keeps getting better down here. Early this morning we suited up in our extreme-cold survival gear, followed our friend Dr. Lisa Clough of the National Science Foundation down to the ice airstrip, boarded an LC-130 Hercules, and flew 3 hours inland to the South Pole. For decades the Hercules fleet has been the dependable backbone of the U.S. Antarctic Program, and I thoroughly enjoyed sitting on the flight deck of the old workhorse with the pilot and co-pilot as we soared into the Antarctic interior.
Read more:
blogs.newzealand.usembassy.gov/ambassador/2010/11/at-the-...
You cover news, you take people's pictures, they're gonna ask, "hey, can I get a copy of that?"
Newspapers have different funny rules, the main one being, "do what you need to do and say what you need to say--just get the picture!!" (although they don't phrase it that way). As a photo subject, your chances of getting a free photo are pretty good if you negotiate the deal before the shutter clicks; after publication, you're lucky if they'll even sell you a copy.
But I always felt a bond with whoever was my photo subject--we were doing this together, after all--and I'd promise to hand off a copy, with the best of intentions, (but with a fairly poor record for follow through, I'm afraid.)
So it was with the Ice Cube, and his "gangsta rap" show, "Straight Outa Compton". After the show, I met him...aka, O'Shee Johnson, and he asked for a copy of the photo, and I agreed.
"See that you do," he smiled, "you don't want me to have to come after it."
I try to follow through, but gosh, 'Ice"....er, "Mr. Cube"?--I musta lost your address. But now, in the digital age, it's easier to follow through on sharing images. "Friend" me here on flickr, and I'll download you a copy of this shot--my pleasure. By the way, I thought you were great in "Three Kings", but that big snake in "Anaconda" freaked me out. Give me best to Dr. Dre, too.
Antarctic Trip Nov 29 - Dec 3 2010.
From U.S. Ambassador Huebner's Blog:
At the South Pole.
It just keeps getting better down here. Early this morning we suited up in our extreme-cold survival gear, followed our friend Dr. Lisa Clough of the National Science Foundation down to the ice airstrip, boarded an LC-130 Hercules, and flew 3 hours inland to the South Pole. For decades the Hercules fleet has been the dependable backbone of the U.S. Antarctic Program, and I thoroughly enjoyed sitting on the flight deck of the old workhorse with the pilot and co-pilot as we soared into the Antarctic interior.
Read more:
blogs.newzealand.usembassy.gov/ambassador/2010/11/at-the-...
Fluids experiments with icecubes made with water and ink drops, oil and water.
Double speed, upside down.
Video & Music: darioj laganà / www.norte.it
Watch this video on Vimeo. Video created by norte.