
Bringing new books and new books is a traditional "homework" that every elementary and middle school student must do every …
The equipment is cut by …
It is hard to detect human beings in groundwater or with some dangerous substances, but spinach plants transformed with nanotechnology can do so. By embedding carbon nanotubes in leaves, American engineers transform spinach into sensors that detect explosives and wirelessly deliver the inf…
With the increasing demand for food safety, traditional tea production methods are difficult to have advantages under the current food safety standards. In particular, the backward production methods of pesticides and pesticides have a great harm to tea products, leading to tea f…
Based on the die-less multi-mode optical fiber technology, different modes in the fiber core are used as independent transmission channels. Combined with DWDM technology and polarization multiplexing technology, the SMF can break the capacity of single-mode optical fiber communication syst…
For a forklift truck that replaces the human arm, the machine cannot achieve a kind of fork arm to perform all the transportation operations because of the different material shapes of the…
You may have an album full of old and old photos. If you protect them well, they should be able to save for 10 years, but they can also be damaged. In addition, if they are only placed in a box, no one can enjoy th…