Fail Of The Week: Can An Ultrasonic Cleaner Remove Bubbles From Resin?

[Wendy] asked a very good question. Could putting liquid resin into an ultrasonic cleaner help degas it? Would it help remove bubbles, resulting in a cleaner pour and nicer end product? What we lov…

Fail Of The Week: A Potentially Lethal Tattoo Removal Laser Power Supply

Caveat emptor is good advice in general, but in the wilds of eBay, being careful with what you buy could be life-saving. To wit, we present [Les Wright]’s teardown and very ginger power-up of…

Fail Of The Week: The Little Remote-Controlled Snowblower That Couldn’t

[Punxatawny Phil]’s prognostications aside, winter isn’t over up here in the Northern Hemisphere, and the snow keeps falling. If you’re sick of shoveling the driveway and the walk…

Fail Of The Week: PCB LED Cube Fails Successfully

Remember LED cubes? We sure do — they were all the rage for a while, and then it seemed like everyone just sort of lost interest in them. There are probably a lot of reasons for that, not lea…

Fail Of The Week: This Flash Drive Will NOT Self-Destruct In Five Seconds

How hard can it be to kill a flash drive? Judging by the look of defeat on [Walker]’s face in the video below, pretty darn hard. To bring you up to speed, and to give the “Mission: Impo…

Fail Of The Week: Car Starter Motors Aren’t The Best Fit For EBikes

A lot of what real engineering is all about is designing to the limits of your materials, with a healthy margin for error. On the other hand, seat-of-the-pants engineering often takes the opposite …

Fail Of The Week: Epic 312 Weeks Of Fixing A Broken Project

If a hacker guardian angel exists, then we’re sure he or she was definitely AWOL for six long years from [Aaron Eiche]’s life as he worked on perfecting and making his Christmas Countdo…

Fail Of The Week: Bronze-Brazed Wrought Iron

[Will Stelter], a promising young blacksmith working out of Montana, had a terrific idea for a unique composite material for finishing off a knife build. This build is a collaboration between multi…

Junk I Bought: My PSU Just Won’t Do

I have an Acer monitor that I’ve owned for around 15 years, and thanks to my having paid extra at the time for the model sporting a DVI socket for HDMI compatibility it still finds a place as…

Fail Of The Week: A Bigger Hacksaw Isn’t A Better Hacksaw

If we’re being honest, the main reason to buy a power tool is to avoid the pain of using one’s muscles. Oh sure, we dress it up with claims that a power tool will make us more productiv…

Fail Of The Week: Hackaday Writer Attempts XBox Repair

Like a lot of Hackaday readers, I pride myself on being “the fix-it guy” in my family. When something breaks, I get excited, because it’s a chance to show off my skills. It’…

Fail Of The Week: Flipped Cable Leads To Fried Radio

[Doug]’s newly-installed Yaesu FT-891 mobile transceiver failed to power up despite a careful installation, and it turns out to have ultimately been caused by a reversed cable. There’s …

Fail Of The Week: The Metal Hot End Upgrade

My son, Patrick, has observed on more than one occasion that I do not like 3D printing. That may sound odd, because I built a printer back in 2012 and since then I’ve built a lot of printers …