The Quantum Internet: A New Era of Secure Communication
As we stand on the cusp of a new technological revolution, the quantum internet promises to redefine the landscape of digital communication with unparalleled security....
Moderation Test, Can AI Tell an Insult from a Friendly Jibe?
Social media platforms use AI in content moderation to address the increasing volume of user-generated content. AI algorithms can analyze and filter large amounts of...
What Can Remote Heartbeat Readers Know?
Monitoring a person’s heart rate remotely can provide valuable insights into their health, sleep and sexual activity. While the ability to read a person’s...
Can Heart Rate Be Detected Remotely?
Remote sensing can detect human heartbeats in buildings through various non-invasive methods, including Doppler radar-based sensors, laser vibrometry, and continuous-wave Doppler radar. These technologies enable...
Can Facebook use WiFi to See People’s Body Positions Inside of Buildings?
Yes, it would be technically possible. Scientists have developed technology that allows them to use WiFi signals to detect and track people’s body positions inside...
Why Cell Phones Use Microwave Oven Frequencies
Cell phones use frequencies in the microwave range, typically around 2.4 GHz and 5 GHz, which are similar to the frequencies used by microwave ovens[3][4]....
What EMF Frequency Does Water Most Block?
Water is known to block or attenuate electromagnetic frequencies (EMF) in the radio wave range, particularly at certain wavelengths. Water molecules strongly absorb frequencies in...
Fiber Optic Cables to Transport 5G Signals
The phrase “radio over fiber” has been bothering me. I do not thing that radio waves would be bent by glass in the way light...
What is a Radio Frequency Wave Guide?
A Radio Frequency (RF) waveguide is a hollow metal pipe used to carry radio waves, which are electromagnetic waves in the GHz+ range. They can...
Choosing an Appropriate Antenna
To cover the frequency range of 0.001 to 100 GHz, a minimum of two antennas is required: one for the lower frequency range and...