Latest from Ben Krasnow


When you drink soda, bubbles of carbon dioxide (CO2) cause the tingling sensation on your tongue. In addition to the physical sensation, the CO2 combines with your saliva to produce carbonic acid, which is an important flavor component of carbonated beverages. If you’ve ever taken a swig of flat soda... Read more »

Red 4 bar linkage arm lamp with light shining downwards.

If you're thinking about upgrading your workshop lighting, here's our short, no-nonsense advice to getting a brighter space. Read more »

finished disc

Make this spinning, swirling, self-contained liquid disc and mount it in your table for a gorgeous centerpiece. Read more »


With a little practice, you’ll be able to capture and share your own high-quality images of the microscopic world using a cell phone camera. Read more »


Re-create this gift shop novelty food by making a freeze-dryer with parts already lying around your workshop. Read more »


I decided to design and build a scanning electron microscope (SEM) in my home workshop to see if it was even possible. Spoiler alert: it is. I didn’t originally intend to create an SEM that could compare to a $75,000 entry-level commercial model, but the project turned out more successful... Read more »