2+ day, 17+ hour ago  (404+ words) [GreatScott] has recently been tinkering in the world of radio frequency emissions, going so far as to put their own designs in a proper test chamber to determine whether they meet contemporary standards for noise output. This led them to…...

4+ day, 5+ hour ago  (430+ words) The lovely thing about the x86 architecture is its decades of backwards compatibility, which makes it possible to run 1990s operating systems on modern-day hardware, with relatively few obstacles in the way. Recently[Yeo Kheng Meng] did just that with Windows 98 SE…...

1+ mon, 2+ week ago  (487+ words) Despite faster CPUs, RAM and storage, today's Windows experience doesn't feel noticeably different from back in the 2000s when XP and later Windows 7 ruled the roost. To quantify this feeling,[TrigrZolt] decided to run a series of benchmarks on a range…...

1+ mon, 2+ week ago  (243+ words) If you've seen a big air-variable capacitor, you may have noticed that some of the plates may have slots cut into them. Why? [Mr Carlson] has the answer in the "read more If you've seen a big air-variable capacitor, you…...

2+ mon, 2+ week ago  (303+ words) One of the major difficulties in studying electricity, especially when compared to many other physical phenomena, is that it cannot be observed directly by human senses. We can manipulate it "read more One of the major difficulties in studying electricity,…...

3+ mon, 1+ day ago  (227+ words) [A microscope objective is sitting on a spool of solder in a metal tin, in front of a circuit board which has wires running away from it.]Among the many science toys that have fallen out of fashion since we…...

3+ mon, 3+ day ago  (243+ words) It isn't unusual to expect a precisely regulated voltage in an electronic project, but what about times when you need a precise current? Over on EDN, prolific [Stephen Woodward] explains "read more It isn't unusual to expect a precisely regulated…...

4+ mon, 1+ day ago  (417+ words) Try an experiment. Next time you are in a room with someone, ask them to name everything in the room. Only certain kinds of people will say "air" or "light." "read more Try an experiment. Next time you are in…...

4+ mon, 3+ day ago  (266+ words) [The Texas Instruments branding with some schematic symbols in background.]We were recently tipped off to quite a resource " on the Texas Instruments website, there's a page where you can view and download a compendium of analog sub-circuits. Individual "read…...

4+ mon, 2+ week ago  (286+ words) It's a well-known conundrum that while most computers these days are digital in nature, almost nothing in nature is. Most things we encounter in the real world, whether it's temperature, "read more It's a well-known conundrum that while most computers…...