Scientists find a new way to produce metals, which can reduce energy use and...
Traditionally, metals are produced via heat. In a high temperature, metals like silver, iron, copper, and other base metals are produced from their ores.
Metal...
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...
Wind energy costs may decrease by 40% in 2030, say wind energy experts
Renewable energy, such as solar and wind energy, has become more and more important in the global energy supply. However, its long-term contribution depends on...
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,...
Are householders happy to pay for someone else’s solar system?
Many governments world-wide have established financial incentives to promote the take-up of residential solar (photovoltaic) energy systems. These incentive programs have seen increased numbers...
Six years of scientific exploration at the moon
On June 23, 2009, NASA robotic Lunar Reconnaissance Orbiter (LRO) entered the lunar orbit. Since then, it has been working successfully in science and...
Shared solar: the next big thing in renewable energy
Solar energy in the US has increased fast in the last 10 years. In 2014, the annual installed capacity reached 6,201 MW, more than...
Uranium in sea water: a renewable for nuclear energy
Uranium is a very heavy metal formed in supernovas (i.e. exploding stars) about 6.6 billion years ago.
It is not common in the solar system,...
Capturing ocean energy with a floating energy harvester
Ocean energy is an important type of renewable energy. It can be carried by ocean waves, tides, salinity, and ocean temperature differences.
Compared with solar...
Food waste: a new source of electricity
When hearing the phrase “renewable energy”, most of us will think about wind, solar, wave, or geothermal power.
In fact, treating food waste can also...