If you’ve got a cheap ham rig, it might not be very practical for you to receive certain transmissions out of the box. However, if you were to hack in a convenient little beat frequency oscillator ...

Saelig Frequency Divider Module – Saelig Company, Inc. has announced the EECL DIV-100-10-SQ, a state-of-the-art frequency divider module designed to convert instrument reference signals down to 10MHz ...

Fairport, NY. Saelig Company, Inc. has announced the EECL DIV-100-10-SQ, a state-of-the-art frequency divider module designed to convert instrument reference signals down to with virtually zero ...

We're so connected to our smartphones nowadays that even when they're charging, we feel the need to use them. I have a charging cable beside my living room couch so I can fuel my phone while I scroll ...

It’s been three-and-a-half years since generative AI exploded onto the scene. In this past year, progress has continued its relentless pace: Vibe coding took off, companies embraced agentic workflows, ...

The Continental Divide is the hydrological boundary between watersheds that drain into the Pacific and those that drain into the Atlantic. It runs from the Bering Strait in Alaska to the Strait of ...

Using AI chatbots for even just 10 minutes may have a shockingly negative impact on people’s ability to think and problem-solve, according to a new study from researchers at Carnegie Mellon, MIT, ...

[Maximilian Milovidov is a freshman at Columbia University and a member of TikTok's Youth Council. He used a large language model to edit this essay for length and a human to edit for content. This ...

It is well known that a 555 timer in astable mode can be frequency modulated by applying a control voltage (CV) to pin 5. The schematic on the left of Figure 1 shows this classic 555 VCO. Figure 1 ...

The versatility of the venerable LMC555 CMOS analog timer is so well known it’s virtually a cliche, but sometimes it can still surprise us. The circuit in Figure 1 is an example. In it a single linear ...