The Spirit Lake Tribe has lifted a ban on drinking tap water that had been in place for a month and a half. The tribe imposed ...

The Spirit Lake Drinking Water System has successfully returned to safe levels of manganese, allowing for the lifting of the recommendation to not drink the water, which was issued on May 27, ...

Renfert introduces SILENT XS: a mobile suction unit providing a cleaner working environment in the dental office.

In this paper, a novel miniature ultra-wideband (UWB) microstrip bandpass filter is proposed. The filter consists of a short-ended interdigital coupled-line unit fed by stepped-impedance lines.

This article is sponsored by Waterdrop Filter. Product choices and opinions expressed are from the sponsor and do not reflect ...

In a major policy reversal, Centre exempts most coal-fired units from $30bn desulphurisation mandate, citing emissions ...

The characteristics of a modified dual composite right/left-handed (D-CRLH) unit cell is investigated, which can be applied to design bandpass filters. The proposed unit cell is very compact and ...

That’s where Tankless RO systems — like the Waterdrop Filter X12 — have made a big difference. Instead of storing water, they ...

FORT TOTTEN, N.D. – The Spirit Lake Nation has lifted its ban on drinking tap water, the tribe said in a release Wednesday, ...