ArcaMax

Knowledge

on Aug 28, 2025

Concave
Cave
Presbyopia
Mining

Concave. A concave lens may be used in eyeglasses to correct short-sightedness.

Science Trivia / August 27, 2025

Titan. Titan is the largest of Saturn's 53 moons.

Science Trivia / August 27, 2025

Battery. Batteries convert chemical energy to electrical energy.

Science Trivia / August 26, 2025

Smoke. Much of the smoke in smog comes from the industrial burning of coal.

Science Trivia / August 26, 2025

Aphid. Ants feed on a sticky, honey-like substance from aphids.

Science Trivia / August 25, 2025

Coastline. Florida has more than 1800 miles of coastline with about 1200 miles of sand beaches.

Science Trivia / August 25, 2025

A White Dwarf. A white dwarf, a small star of mostly electron-degenerate matter, is also called a degenerate dwarf.