[Translation: here's a cheap way to help your laptop stay cool.]
If you have a laptop that, like mine, is poorly ventilated, this simple trick may help. It doesn't make for a great Instructable, but it is effective.
I was inspired by Instructables such as this:
There are a great many other excellent approaches to this problem.
Step 1: Collect Bottle Caps
Step 2: Arrange Bottle Caps
Step 3: Place Computer Atop Bottle Caps
Step 4: Voilà
Benefits: It's inexpensive. Highly portable.
Limitations: Requires appropriate surface. Useless for supporting the computer on your actual lap. Looks kinda ghetto.