EDN

A fully floating BJT-based LED current driver

The circuit in Figure 1 combines a VBE-referenced current source with a current mirror to implement a simple two-terminal, fully floating LED current sink or source. This approach is well-suited for ...
Space.com

Aurora expert captures rare pulsating northern lights in remarkable detail: 'One of the most profound sightings of my career'

An unusually powerful pulsating aurora display lit up skies over Arctic Norway for nearly three hours during a colossal ...
Mint

Small-cap LED stock hits 5% upper circuit after receipt of an order from the Indian Railways

The rebound in shares came after the company informed investors through a regulatory filing that it had received an order worth ₹2.12 crore from the Sambalpur Division, East Coast Railway Zone of ...
Hackaday

Analog Circuitry Lets You Blow This LED Out

LED candles are neat, but they’re very suboptimal for wish-making: you can’t blow them out. Unless you take the circuit from ...
Medicine Buffalo

FDA approves drug based on clinical trial led by UB researcher

The Food and Drug Administration has approved the immune checkpoint inhibitor nivolumab in combination with chemotherapy for adults and adolescents 12 and older with previously untreated Stage III/IV ...
Hackaday

LED cube

When it comes to making things that glow, there are two ways to stand out from the crowd. You can make something very big, or something very small. [DIY GUY Chris] has done the latter, producing a ...