2021
Entries

The innovation solves the problem of massive demolition, earthmoving, and drilling without using explosives or explosive propellants. The innovation utilizes a linear motor device and projectile (such as a railgun) to create tunnels and shafts, break rock, and move soil.

In comparison to 2020, entry speed controlled bidirectional mechanical traction is applied on B1 and B2 of modified inclined plane to keep A1 and A2 at 45°automated by motorised screw and bolt,

If there's thrust here then, it should boost these.

This isn't so much a design than it is a question: it is entered in this contest so it can be examined and rejoined by individuals skilled in the arts.

Consider: the Laval – a tube having a converging section,

Coastal cities continue to face flooding, and one solution for sustainable development is buoyancy. Floating on the surface above the rising tides, vessels have inherent seismic resistance and the lack of costly deep foundations. Modular construction of large structures also lend themselves to ease of deployment,

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