Science Club
  1. Does Black Bark Mulch Help Keep Moisture in the Soil?
  2. How Much Water does a Fountain Use?
  3. Find your Body Surface Area
  4. How Fast do French Fries Cool Down?
  5. My Year of Coincidences
  6. Which Firework is the Loudest?
  7. Cost to store a VHS tape in a NYC apartment?
  8. Guess Your Blood Alcohol Level Booth
  9. Find the Loudest Restaurant in Sacramento
  10. How Much do Clothes Weigh?
  11. Trying to Make Clear Ice
  12. Searching the Indian Ocean for a Plane Crash
  13. Electronic Cigarettes - The Fog Machine for Your Face
  14. Scott Leased an Electric Ford Focus
  15. Testing the Effectiveness of a Beer Cozy
  16. Eggshells vs. Taco Shells
  17. How Ice Rinks are Made
  18. Shaken vs. Stirred
  19. Real Appliance Energy Use Tests
  20. Christmas Lights Power Cost
  21. The Best Cold Drink Cup
  22. LED vs. Regular Bulbs & CFLs
  23. Coldest drink in town?
  24. Using Salt to Cool Down Beer
  25. Coors Light Cold Indicator
  26. The Fastest Way to Cool Down Beer
  27. Hairdryer vs. Bowl of Water
  28. Bathroom During a Movie?
  29. Video Projector on a Disco Ball
  30. Cool Trunk
  31. The weight of popcorn
  32. Sunchips bag decomposition
  33. Disscating a cockroach
  34. Sensefly Drone Camera
  35. Entrance Locked
  36. End Rubbernecking
  37. Eyeclops Night Vision
  38. Miracle Fruit Taste Test
  39. Hot Air Bubbles
  40. Helium Bubbles
  41. Neighborhood Speed Trap
  42. Pizza Race
  43. Eyeclops - Bionic Magnifier
  44. Breathalyzer Testing
  45. Fishing Line Fiberoptics
  46. The Value of CFL Bulbs
  47. Barry Marshall Fan Page
  48. Bottling the Keg Leftovers
  49. Spinning Rim Centrifuge
  50. Backwash Experiments
  51. sidewalk chalk
  52. Red Hot Vioxx Action!
  53. Balloon Delivery
  54. Tanning
  55. Making a Candle Out of Lipstick
  56. Evaporation
  57. The lift of a Helium Balloon
  58. Lard Candle
  59. The Properties of Heat Transfer
  60. Insulation Testing
  61. Eating Out
  62. Eating In
  63. Tattoo Removal
  64. Drying Laundry
  65. Viscosity Testing
  66. Magazine Advertising
  67. Collecting Data
  68. Dropping Toast
  69. Refilling an Ink Cartridge
  70. Tampons
  71. Light Bulbs

How much is Inside?
Community & Citizenship
Height Weight Chart
Science Club
Incredible Stuff
How To Guides


Trying to Make Clear Ice - page 5

A few hours later, I had a pot of ice. I was sure the ball had frozen first. This might work!

I cut open the ball.

Round ice balls are pretty cool. Maybe I'll get one of those round molds.

But it didn't work for me. The ice has clouded with streaks of air. Maybe the hole wasn't large enough.

Next I tried degassing on a larger scale. I dug an old 5-gallon water bottle out of my garage and filled it with distilled water. Then I pumped out some water, creating a vacuum inside the bottle.

I'm not going to describe how I got the bottle of water under a strong vacuum, but I will tell you that my thirst was completely quenched afterwards.

I was satisfied that the gas in the water was now being pulled aggressively out of solution. I was trying my best to make four gallons of gas-less water.

After five days, I poured some gently into a plastic bin. It would be a tragedy to churn air into the water at this stage.

I placed this bin of water inside a second bin, and added insulation between the two nested layers.

It was set. The gasless ice would freeze from the top down.

That didn't work. I still had a white gas cloud in the center of the ice.

Was the white ice really gas after all? Could it just be larger ice crystals? Maybe the ice at the center of the block freezes quickly because it is completely surrounded by ice. Maybe this quick freeze makes bigger, uglier crystals?

No, I don't think so. I think colder conditions make smaller ice crystals.

Around this time, I spotted a crystal-clear ice sculpture of Optimus Prime on Reddit. I asked in the comments how they got the ice so clear and was sent a link to a video from the Science Channels' How it's Made. The video showed two steps that seemed worth trying: Using a pair of water pumps to keep the water circulating vigorously, and stopping the freeze process before all the water is frozen.

I didn't have an electrical outlet inside my home freezer, but I did have a single water pump.

I was ready to try anything, so I ran an extension cord through the door gasket on the freezer. I plugged in a small water pump and used its suction cup base to stick it to the side of a tub of water.

Please Read Page 6 of Making Clear Ice >

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The Quest for a solid ice beer tray   Heat Transfer Experiments   Eyeclops Digital Magnifier   Trying to make hot air bubbles   Eyeclops Night Vision goggles   How to Eliminate Rubbernecking   My Homemade Speed Trap 
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