Earbuds are basically a pair of tiny speakers that you wear inside your ears. At low volumes, they’re useful little devices. But playing loud music so close to your eardrums can cause permanent hearing loss. Are earbuds bad for your … Continue reading →

An echo is a sound that is repeated because the sound waves are reflected back.That is why echoes can be heard in a canyon, cave, or mountain range. But sounds are not always reflected. If they meet a soft surface, … Continue reading →

Isn’t foam used for soundproofing a room?” Unfortunately not. Foam doesn’t stop a sound, it absorbs or reduces echo within the room. Does acoustic foam reduce echo? Use acoustic foam The egg crate structure helps break up the flat surface … Continue reading →

Ultrasonic devices are used to detect objects and measure distances. Ultrasound imaging or sonography is often used in medicine. In the nondestructive testing of products and structures, ultrasound is used to detect invisible flaws. How are ultrasonics useful? Diagnostic ultrasound, … Continue reading →

Physically Blocking WiFi Radiation. There are essentially two ways to physically block the RF radiation from your router: Using a material capable of almost entirely attenuating the radiation. Using a Faraday cage intended to dramatically reduce how much radiation is … Continue reading →

When you use a VPN, your traffic gets encrypted, so no one can intercept it via public Wi-Fi. VPN secures your connection everywhere, so you no longer need to care about external protection. Can public WiFi see your history with … Continue reading →

Why does sound travel faster in iron than in air even though iron is denser than air? The density of iron is greater than that of air. However, the rigidity of iron is much greater than that of air. Hence, … Continue reading →

All sounds echo. There are some ideas around about ducks, and perhaps others, but the physics of sound neither know nor care what animal produced the sound. Any sound will propagate, and bounce off of a reflective surface, like a … Continue reading →

The amount of data your music streaming services use depends on the streaming quality settings in the application.In terms of data usage, 320 Kbps translates to approximately 2.40 MB per minute of audio or 115.2 MB per hour. So, streaming … Continue reading →

The lossless streams will offer quality at least as good as you hear from CDs, and they can do even better. The digital audio on CDs is sampled 44,100 times per second, which is generally considered adequate to cover the … Continue reading →

NO IT DOESN’T. The “audio chip” or DAC (digital to analogue converter) in your phone is what takes the digital music file and turns it into electrical pulses that flow out of your headphone jack and into the headphones (or … Continue reading →

You can simply say “Hey Siri, Roborock S6 where are you” and the vacuum will respond with “Hi, I am over here.” How do I connect Siri to Roborock? Adding a Siri shortcut In the vacuum’s “Xiaomi Home” app, go … Continue reading →

No, eufy RoboVac is currently not integrated into Apple HomeKit as Apple HomeKit platform does not support Robotic vacuums. Which robot vacuums work with Apple? Apple HomeKit and Google Assistant Appliances Shark – EZ Robot Vacuum RV912S with Self-Empty Base, … Continue reading →

Amazon Alexa has built-in support for the popular TuneIn audio streaming service, which provides access to over 10,000 radio stations from all around the world. What radio stations are available on Alexa? Say “Alexa, open My Radio.” You can now … Continue reading →

Now on Amazon Echo – “Alexa, Play Vintage Radio!” If you have an Amazon echo then you can enjoy a few free shows just by enabling the Vintage Radio skill. Here’s how: Say: “Alexa, enable the Vintage Radio skill.” Then … Continue reading →