diff --git a/legacyworlds-server-beans-system/src/main/java/com/deepclone/lw/beans/sys/ConstantsRegistrarBean.java b/legacyworlds-server-beans-system/src/main/java/com/deepclone/lw/beans/sys/ConstantsRegistrarBean.java
index 23bdad8..5fd56cc 100644
--- a/legacyworlds-server-beans-system/src/main/java/com/deepclone/lw/beans/sys/ConstantsRegistrarBean.java
+++ b/legacyworlds-server-beans-system/src/main/java/com/deepclone/lw/beans/sys/ConstantsRegistrarBean.java
@@ -125,6 +125,21 @@ public class ConstantsRegistrarBean
 		defs.add( new ConstantDefinition( wcNames[ 6 ] , cat , cDesc , 0.50 , 0.01 , true ) );
 		cDesc = "Proportion of queue investments that is recovered when flushing the queue.";
 		defs.add( new ConstantDefinition( wcNames[ 7 ] , cat , cDesc , 0.1 , 0.01 , 1.0 ) );
+		
+		// Research
+		String[] rcNames = {
+				"basePoints" ,  "visibility.points" , "visibility.ratio"
+		};
+		for ( int i = 0 ; i < wcNames.length ; i++ ) {
+			rcNames[ i ] = "game.research." + rcNames[ i ];
+		}
+		cat = "Research & technologies";
+		cDesc = "Research points per population unit.";
+		defs.add( new ConstantDefinition( rcNames[ 0 ] , cat , cDesc , 0.50 , 0.01 , true ) );
+		cDesc = "Points above which a technology becomes visible.";
+		defs.add( new ConstantDefinition( rcNames[ 1 ] , cat , cDesc , 2500.0 , 0.01 , true ) );
+		cDesc = "Completion ratio above which a technology becomes visible.";
+		defs.add( new ConstantDefinition( rcNames[ 2 ] , cat , cDesc , 0.10 , 0.01 , 0.99 ) );
 
 		// Vacation mode
 		cDesc = "Initial vacation credits.";
diff --git a/legacyworlds-server-data/db-structure/parts/040-functions/040-empire.sql b/legacyworlds-server-data/db-structure/parts/040-functions/040-empire.sql
index bc4e640..a1383ed 100644
--- a/legacyworlds-server-data/db-structure/parts/040-functions/040-empire.sql
+++ b/legacyworlds-server-data/db-structure/parts/040-functions/040-empire.sql
@@ -154,6 +154,46 @@ GRANT EXECUTE
 	TO :dbuser;
 
 
+/*
+ * Compute a technology identifier
+ * --------------------------------
+ * 
+ * This function returns the identifier of a technology as seen from the
+ * player's side. The identifier is either the string identifier for the
+ * technology's name, or a MD5 hash including both the empire's identifier
+ * and the string identifier for "unknown" technologies.
+ * 
+ * Parameters:
+ *		_empire		The empire's identifier
+ *		_technology	The technology's string identifier
+ *		_visible	TRUE if the technology is supposed to be visible, FALSE
+ *						otherwise
+ *
+ * Returns:
+ *		?			The technology's client-side identifier
+ */
+DROP FUNCTION IF EXISTS emp.technology_make_identifier( INT , TEXT , BOOLEAN );
+CREATE FUNCTION emp.technology_make_identifier(
+				_empire INT , _technology TEXT , _visible BOOLEAN )
+	RETURNS TEXT
+	LANGUAGE SQL
+	STRICT IMMUTABLE
+	SECURITY DEFINER
+AS $technology_make_identifier$
+
+	SELECT ( CASE
+		WHEN $3 THEN
+			$2
+		ELSE
+			md5( $1::TEXT || ' (making hash less obvious) ' || $2 )
+	END );
+
+$technology_make_identifier$;
+
+REVOKE EXECUTE
+	ON FUNCTION emp.technology_make_identifier( INT , TEXT , BOOLEAN )
+	FROM PUBLIC;
+
 
 --
 -- Returns a planet owner's empire size
@@ -878,3 +918,127 @@ CREATE VIEW emp.resources_view
 GRANT SELECT
 	ON emp.resources_view
 	TO :dbuser;
+
+
+
+/*
+ * Technology visibility view
+ * ---------------------------
+ * 
+ * This view can be used to determine whether entries from empires' research
+ * and technologies table are fully visible or only displayed as "unknown
+ * technologies".
+ * 
+ * Columns:
+ *		empire_id			The empire's identifier
+ *		technology_name_id	The technology's identifier
+ *		emptech_visible		TRUE if the technology's details are visible,
+ *								FALSE if they should be hidden
+ */
+DROP VIEW IF EXISTS emp.technology_visibility_view CASCADE;
+CREATE VIEW emp.technology_visibility_view
+	AS SELECT empire_id , technology_name_id ,
+			( emptech_state <> 'RESEARCH'
+				OR emptech_points >= sys.get_constant( 'game.research.visibility.points' )
+				OR emptech_points / technology_points::DOUBLE PRECISION >= sys.get_constant( 'game.research.visibility.ratio' )
+			) AS emptech_visible
+		FROM emp.technologies_v2
+			INNER JOIN defs.technologies
+				USING ( technology_name_id );
+
+
+/*
+ * Empire research and technologies
+ * ---------------------------------
+ * 
+ * This view lists empires' research and technologies, along with their
+ * current state.
+ * 
+ * Columns:
+ *		empire_id			The empire's identifier
+ *		emptech_id			An identifier for the technology, which is either
+ *								the string identifier of the technology's name
+ *								or a MD5 hash if the technology is not
+ *								supposed to be visible
+ *		emptech_state		The state of the technology, straight from the
+ *								empire technology table
+ *		emptech_visible		Whether the technology is supposed to be visible
+ *								or not
+ *		technology_category	The string identifier of the technology's category
+ *		technology_name		The string identifier of the technology's name,
+ *								or NULL if the technology is not supposed to
+ *								be visible
+ *		technology_description	The string identifier of the technology's name,
+ *									or NULL if the technology is not supposed
+ *									to be visible
+ *		emptech_points		The amount of points accumulated while researching
+ *								the technology, or NULL if the technology is
+ *								not supposed to be visible
+ *		emptech_priority	The current research priority, or NULL if the
+ *								technology is no longer being researched
+ *		emptech_ratio		The percentage of points accumulated while
+ *								researching the technology, or NULL if the
+ *								technology is no longer being researched
+ *		technology_price	The monetary price of the technology, or NULL if
+ *								the technology is not supposed to be visible
+ *		technology_dependencies	The technology's dependencies from the
+ *									dependencies view
+ */
+DROP VIEW IF EXISTS emp.technologies_v2_view CASCADE;
+CREATE VIEW emp.technologies_v2_view
+	AS SELECT empire_id ,
+			emp.technology_make_identifier( empire_id , _name_str.name , emptech_visible ) AS emptech_id ,
+			emptech_state ,
+			emptech_visible ,
+			_cat_str.name AS technology_category ,
+			( CASE
+				WHEN emptech_visible THEN
+					_name_str.name
+				ELSE
+					NULL::TEXT
+			END ) AS technology_name ,
+			( CASE
+				WHEN emptech_visible THEN
+					_descr_str.name
+				ELSE
+					NULL::TEXT
+			END ) AS technology_description ,
+			( CASE
+				WHEN emptech_state <> 'RESEARCH' then
+					technology_points
+				WHEN emptech_visible THEN
+					FLOOR( emptech_points )::BIGINT
+				ELSE
+					NULL::BIGINT
+			END ) AS emptech_points ,
+			emptech_priority ,
+			( CASE
+				WHEN emptech_state = 'RESEARCH' THEN
+					FLOOR( 100.0 * emptech_points / technology_points::DOUBLE PRECISION )::INT
+				ELSE
+					NULL::INT
+			END ) AS emptech_ratio ,
+			( CASE
+				WHEN emptech_visible THEN
+					technology_price
+				ELSE
+					NULL::INT
+			END ) AS technology_price ,
+			technology_dependencies
+		FROM emp.technologies_v2
+			INNER JOIN emp.technology_visibility_view
+				USING ( technology_name_id , empire_id )
+			INNER JOIN defs.technologies _tech
+				USING ( technology_name_id )
+			INNER JOIN defs.technology_dependencies_view
+				USING ( technology_name_id )
+			INNER JOIN defs.strings _name_str
+				ON _name_str.id = _tech.technology_name_id
+			INNER JOIN defs.strings _cat_str
+				ON _cat_str.id = _tech.technology_category_id
+			INNER JOIN defs.strings _descr_str
+				ON _descr_str.id = _tech.technology_description_id;
+
+GRANT SELECT
+	ON emp.technologies_v2_view
+	TO :dbuser;
\ No newline at end of file
diff --git a/legacyworlds-server-data/db-structure/tests/admin/040-functions/040-empire/016-technology-make-identifier.sql b/legacyworlds-server-data/db-structure/tests/admin/040-functions/040-empire/016-technology-make-identifier.sql
new file mode 100644
index 0000000..0ea818a
--- /dev/null
+++ b/legacyworlds-server-data/db-structure/tests/admin/040-functions/040-empire/016-technology-make-identifier.sql
@@ -0,0 +1,17 @@
+/*
+ * Unit tests for emp.technology_make_identifier()
+ */
+BEGIN;
+	SELECT no_plan( );
+	
+	SELECT diag_test_name( 'emp.technology_make_identifier() - Identifier of visible technologies' );
+	SELECT is( emp.technology_make_identifier( 1 , 'test-string' , TRUE ) , 'test-string' );
+
+	SELECT diag_test_name( 'emp.technology_make_identifier() - Identifier of unknown technologies - 32 characters' );
+	SELECT is( length( emp.technology_make_identifier( 1 , 'test-string' , FALSE ) ) , 32 );
+
+	SELECT diag_test_name( 'emp.technology_make_identifier() - Identifier of unknown technologies - Contains hex value' );
+	SELECT ok( emp.technology_make_identifier( 1 , 'test-string' , FALSE ) !~ '[^a-f0-9]' );
+
+	SELECT * FROM finish( );
+ROLLBACK;
\ No newline at end of file
diff --git a/legacyworlds-server-data/db-structure/tests/admin/040-functions/040-empire/040-technology-visibility-view.sql b/legacyworlds-server-data/db-structure/tests/admin/040-functions/040-empire/040-technology-visibility-view.sql
new file mode 100644
index 0000000..d5b22ac
--- /dev/null
+++ b/legacyworlds-server-data/db-structure/tests/admin/040-functions/040-empire/040-technology-visibility-view.sql
@@ -0,0 +1,111 @@
+/*
+ * Unit tests for emp.technology_visibility_view
+ */
+BEGIN;
+	\i utils/strings.sql
+	\i utils/accounts.sql
+	\i utils/naming.sql
+
+	/* Create a single empire */
+	SELECT _create_emp_names( 1 , 'emp' );
+	INSERT INTO emp.empires ( name_id , cash )
+		VALUES ( _get_emp_name( 'emp1' ) , 200 );
+
+	/*
+	 * Set visibility thresholds to either 50% or 100 points.
+	 */
+	SELECT sys.uoc_constant( 'game.research.visibility.points' , '(test)' , 'Test' , 100.0 );
+	SELECT sys.uoc_constant( 'game.research.visibility.ratio' , '(test)' , 'Test' , 0.5 );
+	
+	/* Create 6 technology definitions that will be used to test various
+	 * states: pending, known, 4 variants of research in progress (points
+	 * and ratio below thresholds, points below threshold, ratio below
+	 * threshold, both points and ratio above thresholds).
+	 * 
+	 * Disable all unused fields from the definition table.
+	 */
+	ALTER TABLE defs.technologies
+		ALTER technology_category_id DROP NOT NULL ,
+		ALTER technology_discovery_id DROP NOT NULL ,
+		ALTER technology_description_id DROP NOT NULL ,
+		ALTER technology_price DROP NOT NULL;
+	SELECT _create_test_strings( 6 , 'tech' );
+	INSERT INTO defs.technologies( technology_name_id , technology_points )
+		VALUES ( _get_string( 'tech1' ) , 100 ) ,
+			( _get_string( 'tech2' ) , 100 ) ,
+			( _get_string( 'tech3' ) , 100 ) ,
+			( _get_string( 'tech4' ) , 100 ) ,
+			( _get_string( 'tech5' ) , 1000 ) ,
+			( _get_string( 'tech6' ) , 1000 );
+
+	/* Insert empire state */
+	INSERT INTO emp.technologies_v2 (
+			empire_id , technology_name_id ,
+			emptech_state , emptech_points , emptech_priority
+		) VALUES (
+			_get_emp_name( 'emp1' ) , _get_string( 'tech1' ) ,
+			'KNOWN' , NULL , NULL
+		) , (
+			_get_emp_name( 'emp1' ) , _get_string( 'tech2' ) ,
+			'PENDING' , NULL , NULL
+		) , (
+			_get_emp_name( 'emp1' ) , _get_string( 'tech3' ) ,
+			'RESEARCH' , 10.0 , 2
+		) , (
+			_get_emp_name( 'emp1' ) , _get_string( 'tech4' ) ,
+			'RESEARCH' , 51.0 , 2
+		) , (
+			_get_emp_name( 'emp1' ) , _get_string( 'tech5' ) ,
+			'RESEARCH' , 101.0 , 2
+		) , (
+			_get_emp_name( 'emp1' ) , _get_string( 'tech6' ) ,
+			'RESEARCH' , 501.0 , 2
+		);
+
+	-- ***** TESTS BEGIN HERE *****
+	SELECT plan( 7 );
+
+	SELECT diag_test_name( 'emp.technology_visibility_view - All technologies are listed' );
+	SELECT is( COUNT( * )::INT , 6 )
+		FROM emp.technology_visibility_view
+		WHERE empire_id = _get_emp_name( 'emp1' );
+
+	SELECT diag_test_name( 'emp.technology_visibility_view - Known technologies are visible' );
+	SELECT ok( emptech_visible )
+		FROM emp.technology_visibility_view
+		WHERE technology_name_id = _get_string( 'tech1' )
+			AND empire_id = _get_emp_name( 'emp1' );
+
+	SELECT diag_test_name( 'emp.technology_visibility_view - Pending technologies are visible' );
+	SELECT ok( emptech_visible )
+		FROM emp.technology_visibility_view
+		WHERE technology_name_id = _get_string( 'tech2' )
+			AND empire_id = _get_emp_name( 'emp1' );
+
+	SELECT diag_test_name( 'emp.technology_visibility_view - In-progress technologies with both points and ratios below thresholds are not visible' );
+	SELECT ok( NOT emptech_visible )
+		FROM emp.technology_visibility_view
+		WHERE technology_name_id = _get_string( 'tech3' )
+			AND empire_id = _get_emp_name( 'emp1' );
+
+	SELECT diag_test_name( 'emp.technology_visibility_view - In-progress technologies with points below threshold are visible' );
+	SELECT ok( emptech_visible )
+		FROM emp.technology_visibility_view
+		WHERE technology_name_id = _get_string( 'tech4' )
+			AND empire_id = _get_emp_name( 'emp1' );
+
+	SELECT diag_test_name( 'emp.technology_visibility_view - In-progress technologies with ratio below threshold are visible' );
+	SELECT ok( emptech_visible )
+		FROM emp.technology_visibility_view
+		WHERE technology_name_id = _get_string( 'tech5' )
+			AND empire_id = _get_emp_name( 'emp1' );
+
+	SELECT diag_test_name( 'emp.technology_visibility_view - In-progress technologies with both points and ratios above threshold are visible' );
+	SELECT ok( emptech_visible )
+		FROM emp.technology_visibility_view
+		WHERE technology_name_id = _get_string( 'tech6' )
+			AND empire_id = _get_emp_name( 'emp1' );
+
+
+	SELECT * FROM finish( );
+ROLLBACK;
\ No newline at end of file
diff --git a/legacyworlds-server-data/db-structure/tests/admin/040-functions/040-empire/050-technologies-view.sql b/legacyworlds-server-data/db-structure/tests/admin/040-functions/040-empire/050-technologies-view.sql
new file mode 100644
index 0000000..f2dd122
--- /dev/null
+++ b/legacyworlds-server-data/db-structure/tests/admin/040-functions/040-empire/050-technologies-view.sql
@@ -0,0 +1,125 @@
+/*
+ * Unit tests for emp.technologies_v2_view
+ */
+BEGIN;
+	\i utils/strings.sql
+	\i utils/accounts.sql
+	\i utils/naming.sql
+
+	/* Create three empires (easier to use as keys) */
+	SELECT _create_emp_names( 3 , 'emp' );
+	INSERT INTO emp.empires ( name_id , cash )
+		SELECT id , 200.0 FROM naming.empire_names;
+
+	/* Create a technology after disabling unused fields */
+	ALTER TABLE defs.technologies
+		ALTER technology_discovery_id DROP NOT NULL;
+	SELECT _create_test_strings( 1 , 'tech' );
+	SELECT _create_test_strings( 1 , 'techCategory' );
+	SELECT _create_test_strings( 1 , 'techDescription' );
+	INSERT INTO defs.technologies (
+			technology_name_id , technology_category_id , technology_description_id ,
+			technology_price , technology_points
+		) VALUES (
+			_get_string( 'tech1' ) , _get_string( 'techCategory1' ) , _get_string( 'techDescription1' ) ,
+			123 , 456
+		);
+
+	/* Replace identifier function with something easier to check */
+	CREATE OR REPLACE FUNCTION emp.technology_make_identifier(
+				_empire INT , _technology TEXT , _visible BOOLEAN )
+		RETURNS TEXT
+		LANGUAGE SQL
+		STRICT IMMUTABLE
+		SECURITY DEFINER
+	AS $technology_make_identifier$
+		SELECT $1::TEXT || ',' || $2 || ',' || $3::TEXT;
+	$technology_make_identifier$;
+
+	/* Replace both the visibility and dependencies views with plain SELECT's
+	 * from tables.
+	 */
+	CREATE TABLE _fake_visibility(
+		empire_id			INT ,
+		technology_name_id	INT ,
+		emptech_visible		BOOLEAN
+	);
+	CREATE OR REPLACE VIEW emp.technology_visibility_view
+		AS SELECT * FROM _fake_visibility;
+	CREATE TABLE _fake_deps(
+		technology_name_id		INT ,
+		technology_dependencies	TEXT
+	);
+	CREATE OR REPLACE VIEW defs.technology_dependencies_view
+		AS SELECT * FROM _fake_deps;
+
+	/* Insert empire states and data for fake views */
+	INSERT INTO emp.technologies_v2 (
+			empire_id , technology_name_id ,
+			emptech_state , emptech_points , emptech_priority
+		) VALUES (
+			_get_emp_name( 'emp1' ) , _get_string( 'tech1' ) ,
+			'KNOWN' , NULL , NULL
+		) , (
+			_get_emp_name( 'emp2' ) , _get_string( 'tech1' ) ,
+			'RESEARCH' , 228.9 , 0
+		) , (
+			_get_emp_name( 'emp3' ) , _get_string( 'tech1' ) ,
+			'RESEARCH' , 114 , 1
+		);
+	INSERT INTO _fake_visibility VALUES(
+		_get_emp_name( 'emp1' ) , _get_string( 'tech1' ) , TRUE 
+	) , (
+		_get_emp_name( 'emp2' ) , _get_string( 'tech1' ) , TRUE 
+	) , (
+		_get_emp_name( 'emp3' ) , _get_string( 'tech1' ) , FALSE 
+	);
+	INSERT INTO _fake_deps VALUES( _get_string( 'tech1' ) , 'deps are here' );
+	
+	-- ***** TESTS BEGIN HERE *****
+	SELECT plan( 3 );
+	
+	SELECT diag_test_name( 'emp.technologies_v2_view - Known technology' );
+	SELECT set_eq( $$
+		SELECT emptech_id , emptech_state::TEXT , emptech_visible ,
+				technology_category , technology_name , technology_description ,
+				emptech_points , emptech_priority IS NULL AS ep_null ,
+				emptech_ratio IS NULL AS er_null ,
+				technology_price , technology_dependencies
+			FROM emp.technologies_v2_view
+			WHERE empire_id = _get_emp_name( 'emp1' )
+	$$ , $$ VALUES(
+		_get_emp_name( 'emp1' ) || ',tech1,true' , 'KNOWN' , TRUE ,
+		'techCategory1' , 'tech1' , 'techDescription1' ,
+		456 ,  TRUE , TRUE , 123 , 'deps are here'
+	) $$ );
+	
+	SELECT diag_test_name( 'emp.technologies_v2_view - In-progress, visible technology' );
+	SELECT set_eq( $$
+		SELECT emptech_id , emptech_state::TEXT , emptech_visible ,
+				technology_category , technology_name , technology_description ,
+				emptech_points , emptech_priority , emptech_ratio ,
+				technology_price , technology_dependencies
+			FROM emp.technologies_v2_view
+			WHERE empire_id = _get_emp_name( 'emp2' )
+	$$ , $$ VALUES(
+		_get_emp_name( 'emp2' ) || ',tech1,true' , 'RESEARCH' , TRUE ,
+		'techCategory1' , 'tech1' , 'techDescription1' ,
+		228 ,  0 , 50 , 123 , 'deps are here'
+	) $$ );
+
+	SELECT diag_test_name( 'emp.technologies_v2_view - In-progress, unknown technology' );
+	SELECT set_eq( $$
+		SELECT emptech_id , emptech_state::TEXT , emptech_visible ,
+				technology_category , technology_name IS NULL AS n1 , technology_description IS NULL AS n2 ,
+				emptech_points IS NULL AS n3 , emptech_priority , emptech_ratio ,
+				technology_price IS NULL AS n4, technology_dependencies
+			FROM emp.technologies_v2_view
+			WHERE empire_id = _get_emp_name( 'emp3' )
+	$$ , $$ VALUES(
+		_get_emp_name( 'emp3' ) || ',tech1,false' , 'RESEARCH' , FALSE ,
+		'techCategory1' , TRUE, TRUE ,
+		TRUE , 1 , 25 , TRUE , 'deps are here'
+	) $$ );
+	SELECT * FROM finish( );
+ROLLBACK;
\ No newline at end of file
diff --git a/legacyworlds-server-data/db-structure/tests/user/040-functions/040-empire/016-technology-make-identifier.sql b/legacyworlds-server-data/db-structure/tests/user/040-functions/040-empire/016-technology-make-identifier.sql
new file mode 100644
index 0000000..4f33b2e
--- /dev/null
+++ b/legacyworlds-server-data/db-structure/tests/user/040-functions/040-empire/016-technology-make-identifier.sql
@@ -0,0 +1,14 @@
+/*
+ * Test privileges on emp.technology_make_identifier()
+ */
+BEGIN;
+
+	SELECT plan( 1 );
+	
+	SELECT diag_test_name( 'emp.technology_make_identifier() - No EXECUTE privilege' );
+	SELECT throws_ok( $$
+		SELECT emp.technology_make_identifier( 1 , '' , FALSE );
+	$$ , 42501 );
+	
+	SELECT * FROM finish( );
+ROLLBACK;
\ No newline at end of file
diff --git a/legacyworlds-server-data/db-structure/tests/user/040-functions/040-empire/040-technology-visibility-view.sql b/legacyworlds-server-data/db-structure/tests/user/040-functions/040-empire/040-technology-visibility-view.sql
new file mode 100644
index 0000000..5c2062c
--- /dev/null
+++ b/legacyworlds-server-data/db-structure/tests/user/040-functions/040-empire/040-technology-visibility-view.sql
@@ -0,0 +1,15 @@
+/*
+ * Test privileges on emp.technology_visibility_view
+ */
+BEGIN;
+	\i utils/strings.sql
+
+	SELECT plan( 1 );
+
+	SELECT diag_test_name( 'emp.technology_visibility_view - No SELECT privilege' );
+	SELECT throws_ok( $$
+		SELECT * FROM emp.technology_visibility_view;
+	$$ , 42501 );
+
+	SELECT * FROM finish( );
+ROLLBACK;
\ No newline at end of file
diff --git a/legacyworlds-server-data/db-structure/tests/user/040-functions/040-empire/050-technologies-view.sql b/legacyworlds-server-data/db-structure/tests/user/040-functions/040-empire/050-technologies-view.sql
new file mode 100644
index 0000000..a869fd4
--- /dev/null
+++ b/legacyworlds-server-data/db-structure/tests/user/040-functions/040-empire/050-technologies-view.sql
@@ -0,0 +1,15 @@
+/*
+ * Test privileges on emp.technologies_v2_view
+ */
+BEGIN;
+	\i utils/strings.sql
+
+	SELECT plan( 1 );
+
+	SELECT diag_test_name( 'emp.technologies_v2_view - SELECT privilege' );
+	SELECT lives_ok( $$
+		SELECT * FROM emp.technologies_v2_view;
+	$$ );
+
+	SELECT * FROM finish( );
+ROLLBACK;
\ No newline at end of file