Laser pointers were cool for about 30 seconds when they first came out, before becoming immediately passé and doing absolutely nothing to improve the boss’s quarterly reports presentation. However, ...
Carolyn Trietsch recently defended her Ph.D. in entomology at Penn State. You can view her website or follow her on Twitter @carolyntrietsch. Laser pointers are perhaps the most abused visual aids in ...
The batteries leaked in my laser pointer. They had swollen to the point where I could not get them out. I clamped the laser pointer in my trusty Wilton vise and drilled out the batteries with a large ...
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