However, technological progress has made it possible to perform this test conveniently at home using a cholesterol test kit. A cholesterol test kit is a device that measures your cholesterol ...

To produce X-radiation, large amounts of electrical energy must be transferred to the X-ray tube. Typically less than 1% of the energy deposited in the tube is converted into X-rays the other 99% ...

First there was “the dress,” then there was the sneakers, now there’s a debate over the color blue. If you’ve ever argued with a friend over whether something is blue or green, you’re ...

So, it’s often used as a supplement to the traditional lipid panel, which gauges LDL cholesterol as well as a number of other forms of cholesterol and fatty compounds called triglycerides.

新浪财经免费提供股票、基金、债券、外汇等行情数据以及其他资料均来自相关合作方，仅作为用户获取信息之目的，并不构成投资建议。 新浪财经 ...

The Rijke tube is a very simple device that demonstrates the principle of thermoacoustics quite clearly. Construction is quite straightforward, simply place a metal gauze at the bottom end of a ...

The best color laser printers are a great investment that can save you time and money compared to cartridge-based inkjet printers. Laser printers use toner, which lasts a long time, delivering a ...

If you ever wanted to build your own tube amplifier but you were intimidated by working with high voltages, [Marcel]’s low-voltage tube amp design might spark your interest. The design operates ...

The ionising effect of radiation is used in the Geiger-Muller (GM) tube as a means of detecting the radiation. The GM tube is a hollow cylinder filled with a gas at low pressure. The tube has a ...

What to expect when undergoing this test ...