The Listeners describes a traveler who has come to knock on a moonlit door in an eerie, unknown place. He has come to keep an unnamed promise, and knocks on the door harder and harder, but gets no response. Who … Continue reading →

The average Amazon executive compensation is $235,925 a year. Amazon’s highest paid executives include: Andrew R. Jassy $35,609,644, Diego Piacentini $23,730,630, and Jeffrey Blackburn $22,194,343. How much do top Amazon executives make? Compensation by Company Name And Title Total Cash … Continue reading →

Copper. Wire material Copper is the most widely used material for speaker cable due to its low cost and low resistance. However, copper does oxidise so it needs to be well covered and insulated. Which wire is best for speakers? … Continue reading →

Netflix compatibility is available on the Nest Hub and Nest Hub Max globally, allowing users with a Netflix subscription to play movies, TV shows and documentaries directly on their Nest smart display, as well as casting the service from a … Continue reading →

Google offers a Smart Home Skill for integrating your Nest products with Amazon Alexa’s voice controls. With the Google Nest Skill, you can tell Alexa to change the temperature of your home and show your Nest camera video on an … Continue reading →

A New Study Examines Vision Impairment, Balance Problems, and Falls. A new study, published “online first” on June 6, 2013 in JAMA Ophthalmology (formerly Archives of Ophthalmology), concludes that visually impaired individuals have a significantly greater risk of balance problems. … Continue reading →

Transport Layer Security (TLS), the successor of the now-deprecated Secure Sockets Layer (SSL), is a cryptographic protocol designed to provide communications security over a computer network. What is TLS port number? IMAP over SSL/TLS uses port 993. POP over SSL/TLS … Continue reading →

Home Assistant is a free and open-source home automation software written in Python with a focus on local-control and privacy.In this step by step guide I will show you how to install Home Assistant on your Synology NAS using Docker. … Continue reading →

Both Amazon Prime and Netflix use TCP as the transport layer protocol. YouTube on the other hand use both UDP and TCP protocols. What protocol does Netflix use? Netflix uses the DASH (Dynamic Streaming over HTTP) protocol for streaming. Is … Continue reading →

Acoustics: an integral part of the reproduction system The direct sound is the sound that comes directly from the speakers, without any reflections.Going beyond the critical distance means reducing the direct to reverberant ratio, thus the quality of the sound … Continue reading →

Calculating the Slope Percentage Convert the rise and run to the same units and then divide the rise by the run. Multiply this number by 100 and you have the percentage slope. For instance, 3″ rise divided by 36″ run … Continue reading →

Here’s the quick answer: No, you can’t use a fish finder out of water, because the transducer is unable to send or receive sonar signals in air. In other words, the transducer will not work outside of water, and needs … Continue reading →

A fishfinder or sounder (Australia) is an instrument used to locate fish underwater by detecting reflected pulses of sound energy, as in sonar.Modern electronics allows a high degree of integration between the fishfinder system, marine radar, compass and GPS navigation … Continue reading →

Any object that possesses mechanical energy – whether it is in the form of potential energy or kinetic energy – is able to do work. That is, its mechanical energy enables that object to apply a force to another object … Continue reading →

Mechanical energy is the moving energy (kinetic energy) of an object plus that object’s stored energy (potential energy). The mechanical energy of the pendulum toy shown here includes the kinetic energy of the balls in motion plus the potential energy … Continue reading →