Q&A: A cutting-edge methane monitor

After more than seven years of development, MethaneSAT recently launched from Vandenberg Space Force Base in California. A collaboration between the Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard-Smithsonian ...

An on-chip time-lens generates ultrafast pulses

Femtosecond pulsed lasers—which emit light in ultrafast bursts lasting a millionth of a billionth of a second—are powerful tools used in a range of applications from medicine and manufacturing, to sensing and precision ...

Smart home heating and cooling

Smart temperature-control devices—such as thermostats that learn and adjust to pre-programmed temperatures—are poised to increase comfort and save energy in homes.

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