Lime mortar was used for millennia to adhere stone blocks together. It was the primary mortar until Portland cement was introduced in the 19th century. In this video, the Primitive Technology guy made lime mortar from the shells of rainforest snails. It's quite an involved process, and is fascinating to watch. How did people ever come up with making lime mortar in the first place?
The success of the Primitive Technology channel has spawned a raft of other channels like Evolution Technology, who built an Ewok-style primitive treehouse complex.
Researchers have found the world’s oldest known tattoos — a bull and a goat-like animal — on a 5,200-year-old Egyptian mummy in the British Museum. From The Independent: Along with a Copper Age European of almost identical vintage, found preserved in an Alpine glacier, the ancient Egyptian is the oldest tattooed individual ever discovered. However, […]
Seems like drones are doing a lot of jobs these days, from reconnaissance to delivery. Now, we can add “keeping the Death Star safe” to that list. Whether you’re a drone enthusiast or a Star Wars fan, these Star Wars Propel Drones are undeniably the coolest toy around. Yes, that’s a fully functional drone replica […]
It’s spring clearance time for the Boing Boing Store, when some of the best deals from the holidays return even cheaper than before. From top-rated apps to educational software to the cutest record player of all time, they’re all back with a little extra incentive. Shop your heart out before tax season wraps up! Use […]
Big companies want automation on a big scale. Doing that means diving into the tricky world of machine learning and data science. And no matter what platform you’ll be implementing it on, you can learn how with the Machine Learning & Data Science Certification Training Bundle. In 48 hours and through eight courses, this bundle […]