diff --git a/hw/comp/monitor/asus.txt b/hw/comp/monitor/asus.txt
index 31541c78b..0c14353b1 100644
--- a/hw/comp/monitor/asus.txt
+++ b/hw/comp/monitor/asus.txt
@@ -1,4 +1,6 @@
 27
+https://www.777555.by/product/1185747-asus-proart-pa279crv/
+    ! 2860 bin, 400 kd/m2
 https://catalog.onliner.by/display/asus/pa279crv
     3840x2160, 400
     2954bin
diff --git a/hw/comp/monitor/lg.txt b/hw/comp/monitor/lg.txt
index 612c507d0..e424fbd6b 100644
--- a/hw/comp/monitor/lg.txt
+++ b/hw/comp/monitor/lg.txt
@@ -1,10 +1,22 @@
 ????
 https://www.viewsonic.com/us/vp2768a-27-colorprotm-1440p-ips-monitor-with-90w-usb-c-rj45-srgb-and-daisy-chain.html
+????
+https://www.lg.com/ru/monitors/lg-27up650-w
+https://www.777555.by/product/499057-lg-27up650-w/
+    ! 1156 bin
+    https://catalog.onliner.by/display/lg/27up650w
+    ! 995 bin
+2022
+https://www.lg.com/ru/monitors/lg-27up850n-w
+    better than 27up650-w ...
+https://www.777555.by/product/991851-lg-27up850n-w/
+    1267 bin, home, 3840x2160 4K, 400 kd/m2
 2021
 https://www.777555.by/product/460614-lg-27up850-w/
-    ! 1288 bin, 3840x2160 4K
+    ! 1732 bin, pro, 3840x2160 4K, 400 kd/m2
     https://www.youtube.com/watch?v=5XR-0FJmr8o
     https://www.youtube.com/watch?v=QbCUOgDQ9AA
+
 https://www.21vek.by/monitors/27up850nw_lg.html
     ! 12...
 https://www.21vek.by/monitors/27up850nw_lg.html
diff --git a/hw/comp/monitor/misc.txt b/hw/comp/monitor/misc.txt
new file mode 100644
index 000000000..d2a69f505
--- /dev/null
+++ b/hw/comp/monitor/misc.txt
@@ -0,0 +1,10 @@
+27"
+2023
+https://ru.msi.com/Business-Productivity-Monitor/Modern-MD271UL
+https://ru.msi.com/Business-Productivity-Monitor/Modern-MD271UL/Specification
+https://storage-asset.msi.com/datasheet/pro-monitors/ru/Modern-MD271UL.pdf
+https://www.777555.by/product/1172446-msi-modern-md271ul/
+    1008 bin, light ???, non-regulated height
+2021
+https://www.777555.by/product/687845-benq-pd2725u/
+    2797 bin, 400 kd/m2
diff --git a/hw/comp/monitor/phillips.txt b/hw/comp/monitor/phillips.txt
new file mode 100644
index 000000000..7f80c5581
--- /dev/null
+++ b/hw/comp/monitor/phillips.txt
@@ -0,0 +1,4 @@
+27"
+2020
+https://www.777555.by/product/362362-philips-279c9-00/
+    ! 1726bin, 400 kd/m2
diff --git a/hw/comp/monitor/viewsonic.txt b/hw/comp/monitor/viewsonic.txt
index b9f7a5178..6af141dc7 100644
--- a/hw/comp/monitor/viewsonic.txt
+++ b/hw/comp/monitor/viewsonic.txt
@@ -2,6 +2,6 @@ https://www.displayspecifications.com/
 
 27"
 https://www.777555.by/product/646647-viewsonic-vp2756-4k/
-    2044 bin, 4k
+    2044 bin, 4k, 350 kd2
 https://www.777555.by/product/1116901-xiaomi-redmi-4k-monitor-27-rmmnt27nu-kitayskaya-versiya/
     1215 bin, 4k            
diff --git a/hw/comp/monitor/xiaomi.txt b/hw/comp/monitor/xiaomi.txt
index d98deed4a..ee58107be 100644
--- a/hw/comp/monitor/xiaomi.txt
+++ b/hw/comp/monitor/xiaomi.txt
@@ -1,3 +1,3 @@
 27"
 https://www.777555.by/product/1116901-xiaomi-redmi-4k-monitor-27-rmmnt27nu-kitayskaya-versiya/
-    1156 bin
+    1270 bin, 350 kd/m2
diff --git a/science/ai/openai.txt b/science/ai/openai.txt
index bc5d90d3f..405481e61 100644
--- a/science/ai/openai.txt
+++ b/science/ai/openai.txt
@@ -2,3 +2,7 @@ https://platform.openai.com/
     ! not available at BY
 
 https://openapi.tools/
+
+2023
+CodeWithHarry - LangChain Tutorial for Beginners | Generative AI Series 0:00 of 1:04:45
+    https://www.youtube.com/watch?v=cQUUkZnyoD0