Digital Laser Tachometer - up to 99999 RPM Meter
New silver films may boost the efficiency of solar cells and light-emitting diodes. However, they have been difficult to fabricate.
Ultra-thin transparent silver films for solar cells
Source: RUB Posted: 12/9/18
The newly discovered star's composition indicates that, in a cosmic family tree, it could be as little as one generation removed from the Big Bang
Scientist finds elusive star with origins close to Big Bang
Source: JHU Posted: 12/9/18