2021
Entries
Firearms are very dangerous and I hope you don’t have to use them in your lifetime but history has taught us that people always find a reason to go to war to the end of time.
A. Cliper is a simple device that attaches to glasses and becomes a fixture for your mask’s ear straps. Cliper also works with safety glasses, sun glasses and fashion glasses.(1) Cliper will fit “standard size” eyeglasses(2)
B.
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,
This innovation relates to the field of opposed piston internal combustion engines (OP-ICE) having two pistons in one cylinder configured to have facing heads. Specifically,
The advancements made in the fields of technology and automobiles has led many drivers to believe they are auditioning for the next Fast and Furious movie.
Keyed BricksTM require no fasteners, no cement or no training. Keyed Bricks are a high-tech shell filled with low-tech recycled plastic waste that increases its strength. It is engineered for a decentralized manufacturing process using local resources.
Garbage trucks are typically noisy and inefficient.
Utilizing a small, high efficiency diesel engine that runs at a constant engine speed, electricity will be generated for battery storage. This will be used for hydraulic pumps and motive force of the truck creating an efficient,
My idea is to design and fabricate a 1/5th scale model of a basic transport infrastructure for rural communities using second hand scaffold tube. The track will be locally made under supervision and the trolleys are remotely controlled by WiFi so human to human contact is minimised or eliminated.
Why airless tires currently don’t work for road going vehicles and how to fix it.
I believe because the fundamental principle that makes pneumatic tires so effective has been forgotten which is the constant outward force the air pressure inside provides.
Regardless of a number of speed ratios ("speeds"), the transmission of existing electric vehicles always operates with a single degree of freedom(DoF): the required vehicle velocity results in strictly determined speed of the electric motor(s) propelling the vehicle. Of course,
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