The filament is crimped to the Dumet leads and pinched into a stem of glass tubing. A bulb is blown in another piece of tubing and the two are welded together, evacuated with a vacuum pump ...

When they are in leaf, during the spring, use a garden spade or fork to lift and remove the foliage, stem and bulbs. Generally speaking, the bulbs will be in the top of 10-inches of the soil ...

The positive economic impact of retaining these international, U.S.-trained STEM graduates is significant. Even while still in training, each foreign-born STEM worker and PhD student contributes ...