The circuit is extremely simple, comprising the sensor, an Arduino Nano, and an OLED display ... protruding on what seems to be the shell of a plastic ballpoint pen. It makes a handy instrument ...

An Arduino Nano is charged with running the show, capturing audio via its analog-to-digital converter. A sensitivity pot enables the input level to be set appropriately. From there, a Fast Fourier ...

If you’re plumbing in a new drain or vent and have to join two different kinds of plastic pipe, black ABS and white PVC, ...

This story appears in the July 2012 issue of National Geographic magazine. The scene: a tent on Mount Erebus, an active volcano on Ross Island, Antarctica. The tent is a four-cornered tepee ...

Plastic bags start out as fossil fuels and end up as deadly waste in landfills and the ocean. Birds often mistake shredded plastic bags for food, filling their stomachs with toxic debris. For hungry ...

Jennifer Lopez bared her abs in new photos published by TMZ as she returned to Los Angeles, California, from Toronto amid her divorce from Ben Affleck. According to TMZ, Lopez was spotted ...

One of the world’s oldest national parks, Mount Rainier became part of the federal system in 1899, shortly after its last eruption. Park status was the culmination of a long campaign by John ...

If you imagine the summit of Mount Everest, you might picture a quiet, snowy peak far from civilisation. But a striking photo, taken by mountaineer Nirmal Purja, shows how the reality can be a lot ...

Popular bankrupt retail chain won’t have to close down after all Tim Burton explains why two big characters are missing from Beetlejuice sequel Taylor Swift takes center stage in NFL's hype ...

To get those washboard abs, some men here are now taking bold action. They’re calling the plastic surgeon. August 31, 2024 at 7:00 p.m. McCoy, our Rio de Janeiro bureau chief, and Calderon ...

A green accounting method called “mass balance” certifies that something was manufactured with recycled plastic — just not necessarily much of the bottle making the claim. By Julie Creswell ...