The IDSA Materials and Process Selection Blog discovered a surprise inside a Pinnacle Video Transfer gadget: a weight seemingly added for the sole purpose of making the device heavier and less "cheap"-feeling:
This added material doesn't appear to serve any other purpose-the components don;t generate much heat and there's no noise to dampen. My conclusion is that while the components on the PCB (other than the connectors) where not all that tall, the connectors were. So this drove the final thickness of the product. I guess when you're spending $100 on a piece of video kit, you probably want it to feel somewhat solid in your hands. So this is a cheap way to add some "heft" to the product.
Unlike a multimeter, this battery tester isn’t battery powered. Instead, it measures the voltage across the terminals of 9V, AA, AAA, C, D and 1.5V button type batteries. It’s also easier to use than multimeter probes. It’s only $6.61 on Amazon and has a 4.5 star rating with over 1500 reviews.
This handheld magnifying glass has two bright LEDs and is powered by 3 AAA cells (not included). The manufacturer says the magnification is 40X. I think it is less than that, but it is still plenty powerful for my needs – mainly, reading the markings on tiny electrical components and checking the layer fusion on […]
The Lytro Illum dares to be different, boasting even more robust features than its first generation predecessor and a sleek design reminiscent of professional DSLRs. What’s so cool about it? Most cameras capture the position of light rays, producing a statoc 2D image.
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