You can replace $10,000 worth of lab gear with a tool you’d find at a local hardware store.
Preparing samples for electron microscopes normally requires incredibly expensive, specialized machines. This 'hack' proves that a consumer-grade rotary tool can achieve the same precision, democratizing advanced science for labs with tiny budgets.
A Low-Cost Approach to Dimple Grinding Using a Rotary Tool
SSRN · 6551023
Conventional transmission electron microscopy (TEM) specimen preparation often relies on expensive commercial dimple grinders. This study evaluates a highly affordable alternative for mechanical thinning, utilizing a consumer-grade rotary tool. This represents a significant cost saving of two orders of magnitude, making TEM preparation much more accessible. The objective is to determine whether such low-cost equipment can produce high-quality samples comparable to those prepared using specialize