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, […]
The Nintendo Switch is king when it comes to gaming on the go, but it’s tough to lose yourself in Zelda: Breath of the Wild or Skyrim if your battery dies out. That’s where this Nintendo Switch Battery Charger Case comes into play. Built exclusively for Nintendo Switch, this pack allows for uninterrupted charging while you play, […]
Creative designers play a pivotal role in engaging target audiences and customers, and while companies are eager to bring more of these professionals on board, you’ll have a hard time getting your foot in the door if you’re not using the industry’s best tools. From Adobe to Maya, the eduCBA Design & Multimedia Lifetime Subscription Bundle […]
As more companies aim to reel in costs and boost productivity, project managers are becoming an essential part of many operations, and they’re paid handsomely for their expertise. But, while demand is high, you’ll have a hard time getting your foot in the door if you’re not toting the right certifications. The Official Lean Six Sigma […]