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Life can not be defined, it can only be described. Find out why in this podcast episode!

Why are there different cell types if all cells of an organism have the same DNA?

Here I am answering a question from a viewer, who wanted to know which microscope he/she should buy as a student of Biotechnology.

Buying a used microscope can be a good deal, but it is not only the price and quality that should be considered.

In this episode, I mention the following recommendations: Reduce the number of microscopes offered on the product pages and catalogs Focus on what you can do with the microscope and not the technical specifications Build an ecosystem around the microscope: Read More …

Is it better to buy a used microscope or a new one? While much depends on individual requirements, I would recommend to beginners to buy used microscopes if you buy it from a retailer/dealer, who can guarantee that it operates well mechanically.

During the last years, major microscope manufacturers have moved from the traditional 160mm system to infinity optics. Why did they do that?

Getting a solid and stable connection between a microscope and a mobile phone camera is not easy, so I decided not to directly connect them at all but to put the camera on a separate stand.

A microscope camera can be used to connect the microscope via a USB cable. This gives a live image.

Sample preparation can be complicated, but it is not always needed when observing specimens.