Sponge boils water using sunlight: a new invention by MIT scientists
Harvesting solar energy as heat has many applications, such as power generation, residential water heating, desalination, distillation and wastewater treatment.
However, the solar flux is...
Coffee grounds can help remove lead and mercury from water, says study
Coffee is one of the most popular drinks in the world, and for many people, the best friend in their daily life. Coffee can...
How to optimize the deployment of charging lanes for electric vehicles
It is well recognized that the deployment of public charging infrastructure plays a critical role in nurturing the electric vehicle (EV) market and promoting...
A new fabric that can harvest energy from sunshine and movement
Wearable electronics now play a more important role in our daily life. However, developing a lightweight, flexible, foldable wearable device that has sustainable power...
Scientists developed advanced high-energy sodium-ion batteries
The large consumption of non-renewable resources has pushed the current fossil-fuel-based economy to be at serious risk. One solution is to use renewable energy...
A novel compact 18-speed transmission for personal mobility vehicles
Currently, electric cars and plug-in hybrid electric cars are thought to be good solutions for relieving exhaust gases and traffics.
However, there are still insufficient...
Solar PV panels coupled with lead-acid batteries can strongly increase electricity self-sufficiency
Nowadays, more and more people use solar PV panels and energy storage systems at home to support household electricity use. This is in line...
Turning greenhouse gas into car batteries: a new technique developed by scientists
Greenhouse gas, such as carbon dioxide (CO2), is the fundamental cause of the greenhouse effect. Greenhouse effect can rise global temperature, cause destructive floods,...
3D printed objects can remember their shapes
People use 3D printing (or additive manufacturing) to make 3D solid objects from a digital file. In an additive process, an object is created...
What we can learn from I-5 Skagit River Bridge collapse
On May 23, 2013, a truck-tractor with a flatbed semitrailer hauling an oversized container was traveling south on Interstate 5 (I-5) near Mount Vernon,...