dalwen
dalwen t1_iv7p1hv wrote
Reply to comment by bigdish101 in Researchers designed a transparent window coating that could lower the temperature inside buildings, without expending a single watt of energy. This cooler may lead to an annual energy saving of up to 86.3 MJ/m² or 24 kWh/m² in hot climates by mossadnik
Yes, low-e coating. Designed to selectively transmit light in the visible spectrum but block/reflect IR and UV.
dalwen t1_jaj2c2h wrote
Reply to Here's how US consumer goods and services have changed in price since 2000 by kishoredbn
How could televisions be 100% cheaper?