This is divisive, just like e-bikes were! “It works with a powertrain, a rubber tread system that runs under the ski, and a lightweight battery pack, giving backcountry skiers a boost as they schlep uphill. The relevant gizmos are attached […]
This is divisive, just like e-bikes were! “It works with a powertrain, a rubber tread system that runs under the ski, and a lightweight battery pack, giving backcountry skiers a boost as they schlep uphill. The relevant gizmos are attached […]
The parchment, made from animal skins, is impossibly fragile. Most were not found intact, but rather in thousands of fragments that had to be sorted and pieced together. “Enter parchment DNA. Sampling of the skins (done with extreme caution) showed […]