Tag Archives: tests

Pocket microscope – turn a cellphone into a microscope for $10

The #1 innovation of 2011 - the pocket microscope – is a marvel of the cellphone age. For $10 a phone can be turned into a laboratory and offer poor areas – with no hospital – access to sophisticated medical tests. From The Scientist:

Diagnosing malaria or other blood-borne illnesses used to require analyzing cell slides under a bulky, costly light microscope—which can be difficult to find in impoverished, remote locations. Enter LUCAS (Lensless, Ultra-wide-field Cell monitoring Array platform based on Shadow imaging), an easy-to-use, pocket-size holographic microscope that weighs less than 50g, uses inexpensive, off-the-shelf parts.

The parts attach to the camera and can analyze blood and saliva samples; testing for diseases like HIV and malaria and discovering water quality problems. Listen to Professor Aydogan Ozcan – the same one who discovered the 3D motion of sperm cells – explain it himself:

 

 

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America’s Best High Schools 2012

 

This year, our ranking highlights the best 1,000 public high schools in the nation—the ones that have proven to be the most effective in turning out college-ready grads.

The list is based on six components provided by school administrators:

  • Graduation rate (25 percent)
  • College matriculation rate (25 percent)
  • AP/IB/AICE tests taken per student (25 percent)
  • Average SAT/ACT scores (10 percent)
  • Average AP/IB/AICE scores (10 percent)
  • AP courses offered  per student(5 percent).

 

Search for your own school or find the best in your area:

America’s Best High Schools 2012

 

The top 10 schools:

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