# \#fun-fact **URL:** https://sierraconnect.protoexpress.com/tag/fun-fact/42.md [Latest](https://sierraconnect.protoexpress.com/latest.md) · [Categories](https://sierraconnect.protoexpress.com/categories.md) · [Tags](https://sierraconnect.protoexpress.com/tags.md) --- ## [When you ask ChatGPT a fun fact about rigid-flex PCBs](https://sierraconnect.protoexpress.com/t/when-you-ask-chatgpt-a-fun-fact-about-rigid-flex-pcbs/948)
**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\ **Replies:** 0\ **Last updated:** [January 26, 2024, 6:54pm UTC](https://sierraconnect.protoexpress.com/t/when-you-ask-chatgpt-a-fun-fact-about-rigid-flex-pcbs/948 "2024-01-26T18:54:04Z")
So what do you think of that: The concept of flexible electronics, which includes rigid-flex PCBs, dates back to ancient times. In the 4th century BC, the ancient Greeks discovered a naturally occurring flexible materia… --- ## [FUN FACT: Did you know that you could bake chocolate PCBs?](https://sierraconnect.protoexpress.com/t/fun-fact-did-you-know-that-you-could-bake-chocolate-pcbs/865)
**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\ **Replies:** 1\ **Last updated:** [January 12, 2024, 11:50pm UTC](https://sierraconnect.protoexpress.com/t/fun-fact-did-you-know-that-you-could-bake-chocolate-pcbs/865 "2024-01-12T23:50:57Z")
In a delightful blend of technology and culinary creativity, there exists a unique concept called the “chocolate circuit.” Some inventive minds have crafted edible PCBs using chocolate as the base material. These tasty t… --- ## [Happy holidays! 🎄🥂](https://sierraconnect.protoexpress.com/t/happy-holidays/741)
**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\ **Replies:** 0\ **Last updated:** [December 22, 2023, 8:38pm UTC](https://sierraconnect.protoexpress.com/t/happy-holidays/741 "2023-12-22T20:38:36Z")
The tradition of using electric lights for Christmas trees dates back to the late 19th century. In 1882, Edward H. Johnson, an associate of inventor Thomas Edison, decorated the first Christmas tree with electric lights … --- ## [FUN FACT: The Apollo 11 guidance computer had less computing power than a modern smartphone](https://sierraconnect.protoexpress.com/t/fun-fact-the-apollo-11-guidance-computer-had-less-computing-power-than-a-modern-smartphone/688)
**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\ **Replies:** 0\ **Last updated:** [December 8, 2023, 8:11pm UTC](https://sierraconnect.protoexpress.com/t/fun-fact-the-apollo-11-guidance-computer-had-less-computing-power-than-a-modern-smartphone/688 "2023-12-08T20:11:19Z")
The Apollo 11 guidance computer, which played a crucial role in landing humans on the moon in 1969, had less computing power than a modern smartphone. The Apollo computer operated at about 0.043 MHz, while today’s smartp… --- ## [TRUE OR FALSE: The first webcam was created at the University of Cambridge to monitor a coffee pot](https://sierraconnect.protoexpress.com/t/true-or-false-the-first-webcam-was-created-at-the-university-of-cambridge-to-monitor-a-coffee-pot/504)
**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\ **Replies:** 0\ **Last updated:** [November 17, 2023, 5:24pm UTC](https://sierraconnect.protoexpress.com/t/true-or-false-the-first-webcam-was-created-at-the-university-of-cambridge-to-monitor-a-coffee-pot/504 "2023-11-17T17:24:57Z")
True or false: The first webcam was created at the University of Cambridge to monitor a coffee pot. In 1991, computer scientists set up a camera in the Trojan Room to keep an eye on the coffee levels, saving them the dis… --- ## [FUN FACT: The origin of computer bugs](https://sierraconnect.protoexpress.com/t/fun-fact-the-origin-of-computer-bugs/421)
**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\ **Replies:** 0\ **Last updated:** [November 10, 2023, 11:41pm UTC](https://sierraconnect.protoexpress.com/t/fun-fact-the-origin-of-computer-bugs/421 "2023-11-10T23:41:19Z")
The term “bug” in the context of computer programming and electronics troubleshooting originated in 1947 when computer scientist Grace Hopper discovered an actual moth causing a malfunction in the Harvard Mark II compute… --- ## [FUN FACT: What is the origin the "mouse"?](https://sierraconnect.protoexpress.com/t/fun-fact-what-is-the-origin-the-mouse/304)
**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\ **Replies:** 0\ **Last updated:** [November 3, 2023, 3:48pm UTC](https://sierraconnect.protoexpress.com/t/fun-fact-what-is-the-origin-the-mouse/304 "2023-11-03T15:48:47Z")
Did you know? The first computer mouse invented by Douglas Engelbart in 1964 was initially called an “X-Y Position Indicator for a Display System.” The term “mouse” was coined because the cord attached to the device res… --- ## [True or false?](https://sierraconnect.protoexpress.com/t/true-or-false/276)
**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\ **Replies:** 0\ **Last updated:** [October 27, 2023, 7:58pm UTC](https://sierraconnect.protoexpress.com/t/true-or-false/276 "2023-10-27T19:58:41Z")
The first electronic digital computer, ENIAC (Electronic Numerical Integrator and Computer), which was built in the 1940s, consumed so much electricity that it caused brownouts in the town of Philadelphia every time it w… --- ## [FUN FACT: The world's smallest PCB](https://sierraconnect.protoexpress.com/t/fun-fact-the-worlds-smallest-pcb/207)
**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\ **Replies:** 0\ **Last updated:** [October 6, 2023, 3:56pm UTC](https://sierraconnect.protoexpress.com/t/fun-fact-the-worlds-smallest-pcb/207 "2023-10-06T15:56:08Z")
The world’s smallest fully functioning PCB was created in 2015 by researchers at the University of Michigan. It measured just 0.04 square millimeters and was made for a medical implantable device. This tiny PCB could fit… --- ## [FUN FACT: The world's first PCB patent](https://sierraconnect.protoexpress.com/t/fun-fact-the-worlds-first-pcb-patent/178)
**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\ **Replies:** 0\ **Last updated:** [September 30, 2023, 12:11am UTC](https://sierraconnect.protoexpress.com/t/fun-fact-the-worlds-first-pcb-patent/178 "2023-09-30T00:11:09Z")
FUN FACT: The world’s first patent for a printed circuit board was filed by Austrian engineer Paul Eisler in 1943. He developed it for a top-secret British military project during World War II. These early PCBs were made…