Physics: Pure and Applied

Ability to discern two separate sounds, created simultaneously: Rosh HaShanah 27a

Above, in an echoing chamber: Rosh HaShanah 27a, 27b-28a

Above, where they came from one person or two separate people: Rosh HaShanah 27a

Above, where the sound is one to which the listener has an emotional connection: Rosh HaShanah 27a

The distance sound travels at night, vs. during the day: Tosafot Beitzah 7b "d'Shamah"

The Light of a Candle is more effective at night: Pesachim 4a

The light of a Multi-Wick Torch is cast backward, while a single-wick Candle casts light forward: Pesachim 8a

Vision of the horizon, from the sea and on land: Rosh HaShanah 21a

Why Gd constructed Nature so that the rainbow's bow never arches from the Sun toward Earth: Rosh HaShanah 23b-24a

The difference between a vessel's capacity for liquid volume, and for solid volume, as determined by the surface tension's ability to contain the contents: Eruvin 14b

The amount of water which a unit of earth will absorb in a day: Eruvin 88a-b

The difficulty of transporting a large burden, even if the weight is the same as that of a smaller burden: Bava Metzia 80a

The pulley Ben Ketina designed for the sink in the Beit haMikdash: Zevachim 20a, 21b



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