There was a time when you had to travel to your nearest arcade or beg your parents for a Game Boy if you wanted to play Tetris. Today, the iconic, addictive puzzler is available online for free and in ...

The source code is coming soon.

Even entry-level oscilloscopes today have simple math functions such as adding or subtracting two channels. But as [Arthur Pini] notes, more advanced scopes can now even do integration and ...