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

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The Secret Advantage of Coors Light Beer Cans

A few years ago, I built a solar death ray. Well, that term was the brainchild of Louis Giersch. I named my dish the "Light Sharpener". In any case, I built a 12' mirrored dish, which I could use to focus the sun's rays into a concentrated point of light. This focal point was the spot where 700 rays of sunlight crossed paths and could be aimed at a target. Usually that target burst into flames.

One of the best lessons of the experience was that black objects melted, but white objects reflected the light, allowing them to resist melting for a much longer period. Mirrored and silvered objects also resisted the assault.

Regardless of the material, the color of the target was critical.

It wasn't until many years later that my friend Scott suggested the beer can test below. Scott had a hypothesis that this silver beer can would be well protected against rays of sunlight. Was it possible that this critical property of beer can marketing had been overlooked?

With a history of rolling out "Cold Activated" cans, double air vents, and a "frost-brewed liner", Coors Light is the standard bearer for beer can gimmicks. If I could show their beer cans were uniquely suited for outdoor drinking, I would be the hero of their marketing department! I'd be embraced as a beer-can physics wizard!

I don't have the solar dish anymore, but with the sun shining I had everything I needed to test the heat-resistant properties of the silver bullet can. On Saturday morning we lined up five cans, fresh from the refrigerator.

All of the cans had been cooling for more that 12 hours, so I expected them to be the same temperature.

They weren't the same temperature. The orange drink, Coke Zero, Bud Light and Milwalkee's Best Premium were at 43° and 44°F, but for some reason, the Coors Light can had only cooled down to 46.8°F.

With our start temperature recorded, we brought the cans outside and set them on a table in the direct sunlight.

They warmed in the sun.

Twenty-one minutes later, we checked the temperature of their contents.

In 21 minutes, they had all warmed about 10°F.

The blue Bud Light can finished coldest, but it had started the test as the coldest. On the other hand, Coors Light had ended with a fairly high temperature, but it had started a few degrees warmer than the others.

In the chart above, you can see that the top line, illustrating the heat rise of the Coors Light, has the flattest curve. It did seem to resist a change in temperature slightly better than the other cans (a 9.8° rise compared to a 12.2° rise by the black Coke can.

After the calculations, I was faced with more questions. Why was the Coors Light warmest when the experiment began? Had the hot tabletop allowed an unexpectedly large amount of heat conduction through the bottom of the cans?

I decided to try one more experiment.

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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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