Tag: science & technology

Water waves are primarily transverse waves, where water particles move up and down (perpendicular to wave direction) as the wave energy travels horizontally. While water waves have some longitudinal components, they are classified as transverse.

The distinction between asteroid and meteoroid is purely based on size. Both are rocky bodies orbiting the sun - asteroids are larger (generally >1 meter), while meteoroids are smaller. When they enter atmosphere, they become meteors.

Muscle tissue accounts for approximately 40-50% of total body weight in humans. Skeletal muscles are the largest component by mass, making 50% the scientifically accepted answer among the options.

Nitrogen (N2), Neon (Ne), and Krypton (Kr) are all gases at room temperature and standard pressure. Silicon (Si) is a metalloid that exists in solid form under normal conditions. Silicon is the only element listed that is not a gas.

Willis Haviland Carrier invented modern air conditioning in 1902 while working on a humidity control problem for a printing company. His invention laid the foundation for the air conditioning industry. The other options are associated with different inventions.

Baron Karl de Drais de Sauerbrun invented the Laufmaschine (running machine), later called the Draisine or velocipede, in 1817. This was the first two-wheeled, steerable bicycle precursor. Volta is associated with electricity, Franklin with multiple discoveries, and Dickson with Band-Aids.

Tim Berners-Lee invented the World Wide Web in 1989 at CERN, creating the first web browser, web server, and fundamental web protocols. His invention revolutionized information sharing. The other options are associated with entirely different inventions and fields.

Garrett A. Morgan invented the automatic traffic signal and patented it in 1923, later selling the rights to General Electric. His system included a warning position to allow vehicles to clear intersections before cross traffic started.