HVAC COOLING LOAD CALCULATIONS AND PRINCIPLES. Sensible Heat Gain â is the energy added to the space by conduction, convection and/or radiation. Latent Heat Gain â is the energy added to the space when moisture is added to the space by means of vapor.
Rise of USB. Developed by a consortium of companies made up of Intel, Compaq, Microsoft, Sony, DEC, IBM, and Northern Telecom, the Universal Serial Bus (USB) was introduced in January 1996. At that time, the USB 1.0 standard was capable of delivering a transfer rate of 12 Mbit/s. In April of 2000, USB 2.0 was introduced with a transfer rate of 480 Mbit/s. More recently, the USB 3.0 standard reaches transfer rates of 4.8 Gbit/s.
When one thinks of the most significant dates in our technological development, October 18, 1954 doesn't pop up there at the top of the list. It should; 60 years ago the first portable transistor radio went on sale. The Regency TR1 was the first consumer device to use transistors. According to Fortune Magazine,  If you owned one, you were the coolest thing on two legs.. The big radio companies weren't interested in the transistor.