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Thumbnail of Rock Skip Robot- The Science of Perfect Rock Skipping

Rock Skip Robot- The Science of Perfect Rock Skipping

Published 7 days ago in Technology. Submitted by sux2bu

Thumbnail of Opposed Piston Diesel Engines Are Crazy Efficient

Opposed Piston Diesel Engines Are Crazy Efficient

Published 20 days ago in Technology. Submitted by sux2bu

The Achates Power opposed-piston engine is packed full of unique technology. The supercharged, turbocharged, diesel 3 cylinder makes use of six pistons, two of which operate in each cylinder. It’s a two-stroke design, meaning every time the pistons come together a power stroke occurs, forcing both pistons away from one another and rotating their respective crankshafts. The two crankshafts are geared together to a common output shaft, which powers the vehicle.

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Thumbnail of DARPA's Ground X-Vehicle T

DARPA's Ground X-Vehicle T

Published 49 days ago in Technology. Submitted by Geekster

DARPA's Ground X-Vehicle Technologies (GXV-T) program aims to improve mobility, survivability, safety, and effectiveness of future combat vehicles without piling on armor. The demonstrations featured here show progress on technologies for traveling quickly over varied terrain and…
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Thumbnail of Definition of Voltage and Current (ElectroBOOM101-002)

Definition of Voltage and Current (ElectroBOOM101-002)

Published 94 days ago in Technology. Submitted by thundersnow

A super compressed history of physics, to understand how Electric Voltage and Current are defined. Hope you are not dizzy after watching this!