Ames Shovel and Tool Catalog of Shovels, Spades and Scoops (1926) [pdf]
Best AI Bet Is ‘Picks and Shovels,’ DigitalBridge’s Ganzi Says
Incorporating a phase-change material into concrete, researchers have created a self-heating material that can melt snow and ice for up to 10 hours without using salt or shovels.
