Search results
Results from the WOW.Com Content Network
Parenchyma is a versatile ground tissue that generally constitutes the "filler" tissue in soft parts of plants. It forms, among other things, the cortex (outer region) and pith (central region) of stems, the cortex of roots, the mesophyll of leaves, the pulp of fruits, and the endosperm of seeds.
Aerenchyma in stem cross section of a typical wetland plant. Aerenchyma or aeriferous parenchyma [1] or lacunae, is a modification of the parenchyma to form a spongy tissue that creates spaces or air channels in the leaves, stems and roots of some plants, which allows exchange of gases between the shoot and the root. [2]
Steve Jobs introduced the MacBook Air during Apple’s keynote address at the 2008 Macworld conference on January 15, 2008. [4] The first MacBook Air was a 13.3-inch model, initially promoted as the world's thinnest notebook at 1.9 cm (0.75 in) (a previous record holder, 2005's Toshiba Portege R200, was 1.98 cm (0.78 in) high).
On 2 March, Ukrainian defense minister Oleksii Reznikov announced the arrival of additional TB2 drones. [119] According to video footage released by the armed forces, TB2 drones have successfully destroyed, on different occasions, a Russian command post, military vehicles—including tanks, IFVs, and different types of trucks—surface-to-air ...
DJI Mavic Air in the air. The Mavic Air was announced in January 2018 as a more portable development of the DJI Mavic. [1] [2] Like the Mavic, the Mavic Air is a foldable quadcopter, though the arms and propellers fold to be flush with the side of the drone as opposed to the Mavic's over/under configuration. [1]
The MQ-25 originated at MidAmerica Airport in Mascoutah, Illinois, with support by Air Test and Evaluation Squadron VX-23. The mission lasted about 4.5 hours with the two aircraft performing numerous dry or wet connects for more than 10 minutes and 325 pounds of fuel transferred in total. [21] Further refueling tests were performed with E-2 and ...
On 5 March 2012, the U.S. Special Operations Command (SOCOM) awarded AAI a contract to provide the Aerosonde-G for their Mid-Endurance UAS II program. The catapult-launched air vehicle has a takeoff weight 34.1 or 36 kg (75 or 79 lb) depending on engine type, with endurance of over 10 hours and an electro-optic/infrared and laser-pointer payload. [4]
Camtasia (/ k æ m ˈ t eɪ ʒ ə /; formerly Camtasia Studio [3] and Camtasia for Mac [4]) is a software suite, created and published by TechSmith, for creating and recording video tutorials and presentations via screencast (screen recording), or via a direct recording plug-in to Microsoft PowerPoint. Other multimedia recordings (microphone ...