An interesting analog design problem is the precision current source. Many good designs are available, but most are the three-wire types that can be used as a positive (see Figure 1) or a negative ...

A McGill University research team has developed a painless, automated way to deliver in vitro fertilization (IVF) hormones ...

The Greater Bengaluru Authority (GBA) has set a target of administering pulse polio drops to over 11.34 lakh children under the age of five during the National Pulse Polio Campaign scheduled from ...

Google's December 2025 core update leads this week's SEO Pulse, alongside Preferred Sources expansion and social insights in Search Console. The December 2025 core update is the main story this week.

When you receive your credit card bill, you'll notice two different balances: the statement balance and the current balance. Conventional wisdom says that you should always pay off your statement ...

In Fig 1, the junction of the resistive divider connects to a bridge rectifier comprising diodes D 1 and D 2, and the LEDs D 3 and D 4. An N-channel JFET, Q 1, is the load for the bridge. The JFET ...

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A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

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