Abstract: This paper builds a portable digital ion trap mass spectrometer prototype by designing the vacuum system, control circuit system, and host computer of the ion trap mass spectrometer.

Dialing in your aperture, shutter speed and ISO doesn't have to be a game of guesswork when using manual mode. If you're consistently getting overly dark or light photos, you may just need to learn ...

Portable Bluetooth speakers have become a must-have for music, podcasts and even calls when you’re on the move. Whether you’re heading to the beach, planning a camping trip or just want something more ...

The HI 98713 meets and exceeds the requirements of the ISO 7027 for water quality and provides a reliable and accurate readings on low turbidity values. An effective algorithm calculates and converts ...

Fiio has launched its most affordable audio upgrade yet – a diminutive dongle DAC and headphone amplifier called Tiny that costs just £19.99/$19.99. Promising to unlock hi-res audio playback from ...

Running out of space on your device, or just need a simple way to keep everything backed up? The Western Digital Elements Portable 2TB External Hard Drive is here to give you peace of mind. And right ...

Abstract: Korotkoff method is the most used method for blood pressure measurement. In this method, sphygmomanometer and a stethoscope are required. A trained person ...