Google refreshes its Nest video doorbells, security cameras and smart speaker - what you need to know

The one device in the lineup that doesn't have Nest branding is the new Google Home Speaker. It's around the same size and ...

How this $99 gadget prevents electrical fires by doing nothing - and it's legit

The Ting electrical fire prevention sensor is $99 on Amazon. Do not confuse it with the Ting anti-fungal cream, the Ting sparkling Jamaican grapefruit drink, the Ting mango Vitamin B complex + ginseng ...

The $99 gadget that prevents electrical fires by doing nothing

I tested a tiny device that plugs in, stays silent, and promises to stop electrical fires before they start. Here's my verdict.
IEEE

Lead-Acid Battery Electrolyte Density Sensor using Heterocore Optical Fiber

Abstract: Battery Energy Storage Systems (BESS) have gained popularity due to the importance of energy self-sufficiency for some systems. In this context, significant investments have been made in ...