It has been a great season for plums, so I’ve updated the lemon plum jam recipe that I’ve been gradually refining over the years. The new basic recipe is below along with other tips I’ve gathered. Ingredients: 8 cups cut...

Inside the Pulsar Calculator watch from 1975 Simrefinery recovered Putting the coronavirus under the microscope The helium shortage has ended, at least for now Ken Shirriff looks at the 8086 processor Strike a solder joint behind enemy lines Testing the...

HackSpace Magazine issue 31 has an article on kits that inspire, and it includes our very own EggBot! Thanks, Marc, for the awesome write-up!

The real lord of the flies Learn python from the NSA Index Pick and Place, an open source pick and place machine. Video intro here. Matisse designed a chapel in Vence A fully automated bread production line (YouTube) A Roman...

A couple of months ago, we wrote about our status under our county’s shelter in place order and it’s time for an update! The situation has been gradually changing locally and the newest guidelines allow for us to bring our...

“Do we want to get to the moon or not?” John C. Houbolt was responsible for the Lunar-Orbit Rendezvous plan A video comparison of different laser marking compounds for use with CO2 lasers Figures in the Sky: How cultures across...

I recently had the pleasure of talking with Sven of the KidsLab podcast and the Evil Mad Scientist episode is now live! KidsLab is “a podcast for parents, educators and everybody passionate about #STEAM education.”

Heather Seeba wrote in to let us know about a gathering she has hosted around the EggBot. The EggBot brunches have been big hits with my friends. Seeing the fascination and excitement showing new people my EggBot has to be...

Dial Indicator Clock Anatomy of a rental phishing scam The Best Crispy Roast Potatoes Ever Recipe Fixie Clock with OLED based “fake NIXIE” tubes The placebo effect and veterinary care Fruit Walls: Urban Farming in the 1600s A list of...

We started Evil Mad Scientist Laboratories in 2006 as a “personal project blog”, to capture, organize, and share some of the things we do for fun. It has evolved over time to become a resource for our customers as well...

The tenth annual Open Hardware Summit will be in New York on March 13. I’ll be participating in a panel looking back at the past ten years of open source hardware and looking forward to the next decade as well....

Open source SVG emoji from Twitter 2-Bit Mario: A physical Mario Brothers game The most important device in the universe, built by prop designer John Zabrucky Video made from photos of Comet 67p taken by Rosetta A Conversation on Microbiomes...

Elecia and Chris of Embedded.fm invited us to come back on the show for episode 317: WHAT DO YOU MEAN BY DISINTEGRATED?. We also had the added enticement of a low tide adventure after recording. Lenore had been on the...

An interactive history of the subway map @ NYTimes Audubon weighs in on memes: When Is a Bird a ‘Birb’? An Extremely Important Guide Wired profiles Cliff Stoll Lego Axle Sorter RasterCarve: A free software package for CNC carving images...

The kind folks at Cool Tools sent us a copy of Four Favorite Tools, which is a compilation of recommendations from the Cool Tools Podcast, including from the episodes we were on. I’ve had it sitting on my desk since...

You can now buy a 50 mm LED On the effect of wake in wind farms Summary article on original research to develop a map of the US food supply chain What’s All This Pease Prototype Stuff, Anyhow? Does a...

Today we are introducing a brand new member of the AxiDraw family of pen plotters: the AxiDraw MiniKit. The AxiDraw MiniKit is a special compact addition to the AxiDraw lineup. Designed for lighter-duty applications, It takes up less desk space...

It’s our Thanksgiving Weekend Sale! use checkout coupon code TURKEY to save 10% storewide at Evil Mad Scientist. Save on popular items like the brand new AxiDraw MiniKit, surface-mount 555SE and 741SE soldering kits, and everything else too. Our biggest...

Today we are pleased to announce the release of two new soldering kits: the 555SE discrete 555 timer and the 741SE discrete op-amp. Both of these new kits are surface mount soldering kits — our first surface mount soldering kits...

Tomorrow morning is the transit of Mercury, which is where the planet Mercury is visible directly in front of the sun. This won’t happen again until 2032. If you happen to be in Silicon Valley and would like to see...

This is a demo board I made for some #flexures, some of which I have used for projects, others I just think are so cool. #lasercut #delrin pic.twitter.com/5Hdkc5TYJO — Amy Qian (@amy_makes_stuff) October 28, 2019 Expert teardown of the Logitech...

Looking for inspiration for your Halloween projects? Need ideas for snacks, costumes or decor? Not sure what to do with your pumpkins this year? Head over to the Halloween Project Archives for a list of our projects over the years. Halloween is...

Pricing Niche Products An illustrated guide to San Francisco’s hidden restaurants Area woman heads to town and impulse-buys entire bookstore. Sea urchins have teeth that sharpen themselves Prop designers wax nostalgic on the hardest props of their careers We could...

Mark from MN wrote in to say: I persuaded my school district’s community foundation to buy an AxiDraw for me to use with my high school geometry students. It’s SO GREAT! These kiddos are seeing their 2D creations come to...

Our friend Allie has a regular feature on her channel Tech-nic-Allie Speaking called Trumpet Case Tuesday where she highlights someone and puts their sticker on her trumpet case, and today, it’s us! She talks about EggBot, WaterColorBot, and AxiDraw, which...