A reader asks: “Are portable speakers that much better than phone or laptop speakers?”

Reader Terrence Clay asks: “Are portable speakers that much better than phone or laptop speakers?” There are many variables, but — if everything else is equal — high-quality larger speakers will sound better than high-quality smaller speakers. It’s partly physics, partly biology. Music and nature produce sounds over a huge range of frequencies; but a…

A reader asks: “Pressing a key or clicking a mouse button sends what type of signal to the CPU?”

In the most conceptual sense, a click or keypress briefly completes an electrical circuit. The part of the computer that handles the keyboard sees this as a zero value changing to a one; the computer then initiates whatever sequence of events it’s been programmed to follow to interpret the keypress, send the keypress value to…

Meet Frederic Tudor, the “Ice King”

I first wrote about this a couple years back, prompted by an article in the Boston Globe about a New England guy who really did change the world in a weird way. His name was Frederic Tudor, and he was the “Ice King.” In 1806, he figured out how to ship ice over long distances: He…

Delight a child this Christmas

Here’s a great idea from Reddit; posted by u/Scaramuccia: Looking for some Christmas Magic? The International Space Station orbits the earth 15 times a day and can easily be confused with Santa’s Sleigh by excited children in December. This does require preparation. That tiny station is rarely streaking directly overhead at an ideal time, so…

A reader* asks: “Do people drive a lot worse in the rain in Boston, MA?”

Yes, of course. Accident rates in Boston go up in the rain — just as they do in every other location on the planet. I’m not sure what else you’d expect when roads get slippery and visibility goes down! I’m guessing that what you’re really getting at is the poor reputation of Boston drivers; and…