A fingerprint is
an impression left by the friction
ridges of a human finger.
The recovery of partial fingerprints from a crime scene is an important method
of forensic science. Moisture and grease on...
A scramjet (supersonic combustion ramjet) is a variant of a ramjet airbreathing jet engine in which combustion takes place in supersonic airflow. As in ramjets, a
scramjet relies on high vehicle speed to compress...
A smartwatch is
a wearable computer in the form of a wristwatch;
modern smartwatches provide a local touchscreen interface
for daily use, while an associated smartphone app provides for management and
telemetry (such as long-term...
Sophia is a social humanoid
robot developed by Hong Kong based
company Hanson Robotics. Sophia was activated on
February 14, 2016, and made her first public appearance at South by Southwest Festival (SXSW) in
Echo (shortened to Echo) is a brand of smart
speakers developed by Amazon.
Echo devices connect to the voice-controlled intelligent
personal assistant service Alexa,
which will respond when you say "Alexa". Users may change this wake