Take a look at the great cover images from the April issues and top five most downloaded articles this month.

Take a look at the great cover images from the April issues and top five most downloaded articles this month.
Statoil presented a new subsea concept to reduce cost and increase efficiency.
Due to the need to develop efficient, low cost photovoltaics, different emerging photovoltaic technologies have been attracting increasing attention.
Using a variety of techniques to develop hybrid scavenger nanoparticles, researchers in China have created an efficient and reusable water filter to effectively clean polluted water up to safe drinking standards.
A WO3–graphene photocatalyst has been developed that can efficiently degrade the dye Rhodamine B.
4D ultra-fast electron microscopy can peer into and peel away the most subtle details and beauty of photocatalysis, providing a new sharp focus realism of human-made nano machinery for the solar powered fixation of CO2 to fuels and chemical feedstocks.
It is shown that soft fillers significantly influence the long-term stability of silicone elastomers.
Salzgitter AG and TU Braunschweig realize a research hydropower plant in Lower Saxony.
Researchers from Singapore show that charge transport in titanium dioxide nanorods can be enhanced by doping with niobium.
Take a look at the great cover images from the March issues and top five most downloaded articles this month.