Calculate the number 250
[799] Calculate the number 250 - NUMBERMANIA: Calculate the number 250 using numbers [2, 5, 1, 7, 57, 138] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 37 - The first user who solved this task is Sanja Šabović
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Calculate the number 250

NUMBERMANIA: Calculate the number 250 using numbers [2, 5, 1, 7, 57, 138] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 37
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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As an airplane is about to cra...

As an airplane is about to crash, a female passenger jumps up frantically and announces, "If I'm going to die, I want to die feeling like a woman." She removes all her clothing and asks, "Is there someone on this plane who is man enough to make me feel like a woman?" A man stands up, removes his shirt and says, "Here, iron this!".
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Alpha and beta particles named

In 1898, in a paper dated 1 Sep, Ernest Rutherford coined the terms alpha and beta “for two distinct types of radiation,.one that is very readily absorbed, which will be termed for convenience the α radiation, and the other of a more penetrative character, which will be termed the β radiation.” His paper, Uranium Radiation and the Electrical Conduction Produced by It, gave tables of the amount of radiation that passed through successive layers of metal leaf (or aluminium foil). He measured it using the rate at which charge leaked off a zinc plate due to the ionizing influence of the uranium radiation that reached it, as detected by the needle of an electrometer connected to it. He also compared the radiation emitted by different uranium compounds; and transparency to the radiation of different filter substances.«[Ref: Philosphical Magazine (1898), 47, 109-67.
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