Regarding the weight, the use of perforated pins can reduce half the weight of heat sink, which is very important for aerospace applications.
However, modification of polymersomes with molecules that confer targeting functions remains challenging because of the strict requirements regarding the weight fractions of the hydrophilic and hydrophobic block polymers.
In terms of policy implications, it seems clear that Brazil and Portugal need to focus on measures improving energy efficiency whereas China and UK need to prioritize issues regarding the weight of non-renewable energy sources in their energy mix.
However, the application of MOF materials in on-board mobile H2 storage systems requires a further substantial improvement over the current best results, with particular consideration required regarding the weight and cost of cryogenic systems and high pressure containers.
Regarding the weight reduction approach; steel hatch covers of a bulk carrier were replaced by composite covers and a weight reduction of 44.32% was achieved leading to many benefits including fuel saving, Deadweight Increment and lower center of gravity of the vessel.
Consider Francis Galton's county fair guessing-game regarding the weight of an ox.
