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What is a light year and how long is it?

A light year is a way of measuring distance. I know that doesn’t seem to make much sense because “light year” contains the word “year,” which is normally a unit…

What happens when you put cold liquids in hot water?

The liquids will come to equilibrium at a temperature in between the hot and the cold. Basically it will become the average temperature between the hot and the cold temperatures…

How do they make bulletproof glass bulletproof?

The secret to bulletproof glass is… plastic! It’s called a laminate, and that’s a sandwich of glass, plastic, and glass, which is thicker than ordinary glass. The plastic inside the…

How come water has no taste or color?

The Dictionary defines water as “a clear, colorless, odorless, and tasteless liquid, H2O, essential for most plant and animal life.” The Encyclopedia goes on to say that “Life depends on…

What is osmosis?

Osmosis is the phenomenon of water flow through a semi permeable membrane, a fundamental effect in all biological systems. It is applied to water purification and desalination, waste material treatment,…

At what tempature does water boil?

Water boils at 212 Fahrenheit or 100 Celsius.

At what tempature does water freeze?

Water freezes at 0 Celsius or 32 Fahrenheit.

What is glass, how is it made?

Glass has been made by humans for about 4,500 years, and it generally consists of silica (sand), potassium or soda, lime, and occasionally some other chemicals. They are melted together…

Why doesn't alcohol freeze?

Alcohol will freeze, but only at extremely low temperatures. Water’s freezing point is 0 degrees Celcius, but the freezing point of ethanol (the alcohol you’re talking about) is -114 degrees…

What is Air made out of?

Air is primarily made up of two elements, nitrogen and oxygen. Nitrogen makes up 78.05% of air and oxygen another 20.95%. The remaining less than 1% is primarily argon, but…

How come when you mix vinger with baking soda it explodes?

Nothing really explodes. Together, baking soda and vinegar just produce a lot of gas. The two things together give off carbon dioxide, the gas. This makes the bubbles. The stuff…

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Word of the Day

craquelure:
craquelure: a network of fine cracks or crackles on the surface of a painting.

Born on this day

February 18, 2017

1898 - Enzo Ferarri
1915 - Phyllis Calvert
1933 - Sir Bobby Robson
1933 - Yoko Ono
1943 - Graeme Garden
1946 - Michael Buerk
1948 - Sinead Cusack
1950 - Cybill Shepherd
1952 - Randy Crawford
1954 - John Travolta
1960 - Greta Scacchi
1964 - Matt Dillon
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