YouTuber Latheman fired up his lathe and made these tops with the weight at the top. It's remarkable how long they can spin on a surface like glass or tile.
I made them on my Chinese mini lathe and mini mill out of round and hex brass and copper stock, balls from ball bearings, threaded rods from the hardware store and 3mm rods from old CD-ROM drives and of course golf balls, a 2 € coin, a tungsten ring (ebay jewelry), ball bearings, etc. I didn't draw any plans, but the dimensions are not critical, so it's enough to eyeball the dimensions if you want to make them by yourself.
• Insane 12000 RPM Spinning Tops. (YouTube / Latheman's crazy machines)
Earlier this month, stormchasing photographer Mike Olbinski witnessed stunning and rare undulatus asperatus clouds roiling above the setting sun. 4K and headphones highly recommended.
The fine folks at Techquickie put together a quick overview that takes the mystery out of the dizzying array of audio file formats, including when to use what and brief histories of the most common types.
In this charming video, Giselle shows how easy it is to create a temporary masterpiece on a washable and erasable chalkboard t-shirt.
Although flagship smartphones are unlikely to adopt heavy-duty outer casing anytime soon, you can always prepare your device for the outdoors with a beefy case and and an external battery like this Nomad Tile Trackable PowerPack, available in the Boing Boing Store for $119.95.The Nomad Tile can fully recharge an iPhone 7 over three times […]
Even though credit cards now feature an EMV chip for securing transactions, they still have to include the magnetic strip for compatibility with older point of sale systems. Because of this, there’s no way for the chip’s new security capabilities to protect against card skimmers in the wild.How do you protect yourself from legacy-technology-induced fraud? […]
As the old saying goes, “You should sit in meditation for 30 minutes every day. Unless you are too busy, in which case you should meditate for an hour.” Since most of us have an endless list of things to do and people to see, carving out quiet time can feel impossible, especially when most […]